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Pull bcachefs updates from Kent Overstreet:
- rcu_pending, btree key cache rework: this solves lock contenting in
the key cache, eliminating the biggest source of the srcu lock hold
time warnings, and drastically improving performance on some metadata
heavy workloads - on multithreaded creates we're now 3-4x faster than
xfs.
- We're now using an rhashtable instead of the system inode hash table;
this is another significant performance improvement on multithreaded
metadata workloads, eliminating more lock contention.
- for_each_btree_key_in_subvolume_upto(): new helper for iterating over
keys within a specific subvolume, eliminating a lot of open coded
"subvolume_get_snapshot()" and also fixing another source of srcu
lock time warnings, by running each loop iteration in its own
transaction (as the existing for_each_btree_key() does).
- More work on btree_trans locking asserts; we now assert that we don't
hold btree node locks when trans->locked is false, which is important
because we don't use lockdep for tracking individual btree node
locks.
- Some cleanups and improvements in the bset.c btree node lookup code,
from Alan.
- Rework of btree node pinning, which we use in backpointers fsck. The
old hacky implementation, where the shrinker just skipped over nodes
in the pinned range, was causing OOMs; instead we now use another
shrinker with a much higher seeks number for pinned nodes.
- Rebalance now uses BCH_WRITE_ONLY_SPECIFIED_DEVS; this fixes an issue
where rebalance would sometimes fall back to allocating from the full
filesystem, which is not what we want when it's trying to move data
to a specific target.
- Use __GFP_ACCOUNT, GFP_RECLAIMABLE for btree node, key cache
allocations.
- Idmap mounts are now supported (Hongbo Li)
- Rename whiteouts are now supported (Hongbo Li)
- Erasure coding can now handle devices being marked as failed, or
forcibly removed. We still need the evacuate path for erasure coding,
but it's getting very close to ready for people to start using.
* tag 'bcachefs-2024-09-21' of git://evilpiepirate.org/bcachefs: (99 commits)
bcachefs: return err ptr instead of null in read sb clean
bcachefs: Remove duplicated include in backpointers.c
bcachefs: Don't drop devices with stripe pointers
bcachefs: bch2_ec_stripe_head_get() now checks for change in rw devices
bcachefs: bch_fs.rw_devs_change_count
bcachefs: bch2_dev_remove_stripes()
bcachefs: bch2_trigger_ptr() calculates sectors even when no device
bcachefs: improve error messages in bch2_ec_read_extent()
bcachefs: improve error message on too few devices for ec
bcachefs: improve bch2_new_stripe_to_text()
bcachefs: ec_stripe_head.nr_created
bcachefs: bch_stripe.disk_label
bcachefs: stripe_to_mem()
bcachefs: EIO errcode cleanup
bcachefs: Rework btree node pinning
bcachefs: split up btree cache counters for live, freeable
bcachefs: btree cache counters should be size_t
bcachefs: Don't count "skipped access bit" as touched in btree cache scan
bcachefs: Failed devices no longer require mounting in degraded mode
bcachefs: bch2_dev_rcu_noerror()
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull 'struct fd' updates from Al Viro:
"Just the 'struct fd' layout change, with conversion to accessor
helpers"
* tag 'pull-stable-struct_fd' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
add struct fd constructors, get rid of __to_fd()
struct fd: representation change
introduce fd_file(), convert all accessors to it.
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The merge resolution to deal with the conflict between commits
ea72ce5da228 ("x86/kaslr: Expose and use the end of the physical memory
address space") and 99185c10d5d9 ("resource, kunit: add test case for
region_intersects()") ended up being broken in configurations didn't
define a MAX_PHYSMEM_BITS and that had a 32-bit 'phys_addr_t'.
The fallback to using all bits set (ie "(-1ULL)") ended up causing a
build error:
kernel/resource.c: In function ‘gfr_start’:
include/linux/minmax.h:93:30: error: conversion from ‘long long unsigned int’ to ‘resource_size_t’ {aka ‘unsigned int’} changes value from ‘18446744073709551615’ to ‘4294967295’ [-Werror=overflow]
this was reported by Geert for m68k, but he points out that it happens
on other 32-bit architectures too, eg mips, xtensa, parisc, and powerpc.
Limiting 'PHYSMEM_END' to a 'phys_addr_t' (which is the same as
'resource_size_t') fixes the build, but Geert points out that it will
then cause a silent overflow in mm/sparse.c:
unsigned long max_sparsemem_pfn = (PHYSMEM_END + 1) >> PAGE_SHIFT;
so we actually do want PHYSMEM_END to be defined a 64-bit type - just
not all ones, and not larger than 'phys_addr_t'.
The proper fix is probably to not have some kind of default fallback at
all, but just make sure every architecture has a valid MAX_PHYSMEM_BITS.
But in the meantime, this just applies the rule that PHYSMEM_END is the
largest value that fits in a 'phys_addr_t', but does not have the high
bit set in 64 bits.
Ugly, ugly.
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Huang Ying <ying.huang@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Many architectures support load acquire which can replace a memory
barrier and save some cycles.
A typical sequence
do {
seq = read_seqcount_begin(&s);
<something>
} while (read_seqcount_retry(&s, seq);
requires 13 cycles on an N1 Neoverse arm64 core (Ampere Altra, to be
specific) for an empty loop. Two read memory barriers are needed. One
for each of the seqcount_* functions.
We can replace the first read barrier with a load acquire of the
seqcount which saves us one barrier.
On the Altra doing so reduces the cycle count from 13 to 8.
According to ARM, this is a general improvement for the ARM64
architecture and not specific to a certain processor.
See
https://developer.arm.com/documentation/102336/0100/Load-Acquire-and-Store-Release-instructions
"Weaker ordering requirements that are imposed by Load-Acquire and
Store-Release instructions allow for micro-architectural
optimizations, which could reduce some of the performance impacts that
are otherwise imposed by an explicit memory barrier.
If the ordering requirement is satisfied using either a Load-Acquire
or Store-Release, then it would be preferable to use these
instructions instead of a DMB"
[ NOTE! This is my original minimal patch that unconditionally switches
over to using smp_load_acquire(), instead of the much more involved
and subtle patch that Christoph Lameter wrote that made it
conditional.
But Christoph gets authorship credit because I had initially thought
that we needed the more complex model, and Christoph ran with it it
and did the work. Only after looking at code generation for all the
relevant architectures, did I come to the conclusion that nobody
actually really needs the old "smp_rmb()" model.
Even architectures without load-acquire support generally do as well
or better with smp_load_acquire().
So credit to Christoph, but if this then causes issues on other
architectures, put the blame solidly on me.
Also note as part of the ruthless simplification, this gets rid of the
overly subtle optimization where some code uses a non-barrier version
of the sequence count (see the __read_seqcount_begin() users in
fs/namei.c). They then play games with their own barriers and/or with
nested sequence counts.
Those optimizations are literally meaningless on x86, and questionable
elsewhere. If somebody can show that they matter, we need to re-do
them more cleanly than "use an internal helper". - Linus ]
Signed-off-by: Christoph Lameter (Ampere) <cl@gentwo.org>
Link: https://lore.kernel.org/all/20240912-seq_optimize-v3-1-8ee25e04dffa@gentwo.org/
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge user access fast validation using address masking.
This allows architectures to optionally use a data dependent address
masking model instead of a conditional branch for validating user
accesses. That avoids the Spectre-v1 speculation barriers.
Right now only x86-64 takes advantage of this, and not all architectures
will be able to do it. It requires a guard region between the user and
kernel address spaces (so that you can't overflow from one to the
other), and an easy way to generate a guaranteed-to-fault address for
invalid user pointers.
Also note that this currently assumes that there is no difference
between user read and write accesses. If extended to architectures like
powerpc, we'll also need to separate out the user read-vs-write cases.
* address-masking:
x86: make the masked_user_access_begin() macro use its argument only once
x86: do the user address masking outside the user access area
x86: support user address masking instead of non-speculative conditional
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull ring-buffer updates from Steven Rostedt:
- tracing/ring-buffer: persistent buffer across reboots
This allows for the tracing instance ring buffer to stay persistent
across reboots. The way this is done is by adding to the kernel
command line:
trace_instance=boot_map@0x285400000:12M
This will reserve 12 megabytes at the address 0x285400000, and then
map the tracing instance "boot_map" ring buffer to that memory. This
will appear as a normal instance in the tracefs system:
/sys/kernel/tracing/instances/boot_map
A user could enable tracing in that instance, and on reboot or kernel
crash, if the memory is not wiped by the firmware, it will recreate
the trace in that instance. For example, if one was debugging a
shutdown of a kernel reboot:
# cd /sys/kernel/tracing
# echo function > instances/boot_map/current_tracer
# reboot
[..]
# cd /sys/kernel/tracing
# tail instances/boot_map/trace
swapper/0-1 [000] d..1. 164.549800: restore_boot_irq_mode <-native_machine_shutdown
swapper/0-1 [000] d..1. 164.549801: native_restore_boot_irq_mode <-native_machine_shutdown
swapper/0-1 [000] d..1. 164.549802: disconnect_bsp_APIC <-native_machine_shutdown
swapper/0-1 [000] d..1. 164.549811: hpet_disable <-native_machine_shutdown
swapper/0-1 [000] d..1. 164.549812: iommu_shutdown_noop <-native_machine_restart
swapper/0-1 [000] d..1. 164.549813: native_machine_emergency_restart <-__do_sys_reboot
swapper/0-1 [000] d..1. 164.549813: tboot_shutdown <-native_machine_emergency_restart
swapper/0-1 [000] d..1. 164.549820: acpi_reboot <-native_machine_emergency_restart
swapper/0-1 [000] d..1. 164.549821: acpi_reset <-acpi_reboot
swapper/0-1 [000] d..1. 164.549822: acpi_os_write_port <-acpi_reboot
On reboot, the buffer is examined to make sure it is valid. The
validation check even steps through every event to make sure the meta
data of the event is correct. If any test fails, it will simply reset
the buffer, and the buffer will be empty on boot.
- Allow the tracing persistent boot buffer to use the "reserve_mem"
option
Instead of having the admin find a physical address to store the
persistent buffer, which can be very tedious if they have to
administrate several different machines, allow them to use the
"reserve_mem" option that will find a location for them. It is not as
reliable because of KASLR, as the loading of the kernel in different
locations can cause the memory allocated to be inconsistent. Booting
with "nokaslr" can make reserve_mem more reliable.
- Have function graph tracer handle offsets from a previous boot.
The ring buffer output from a previous boot may have different
addresses due to kaslr. Have the function graph tracer handle these
by using the delta from the previous boot to the new boot address
space.
- Only reset the saved meta offset when the buffer is started or reset
In the persistent memory meta data, it holds the previous address
space information, so that it can calculate the delta to have
function tracing work. But this gets updated after being read to hold
the new address space. But if the buffer isn't used for that boot, on
reboot, the delta is now calculated from the previous boot and not
the boot that holds the data in the ring buffer. This causes the
functions not to be shown. Do not save the address space information
of the current kernel until it is being recorded.
- Add a magic variable to test the valid meta data
Add a magic variable in the meta data that can also be used for
validation. The validator of the previous buffer doesn't need this
magic data, but it can be used if the meta data is changed by a new
kernel, which may have the same format that passes the validator but
is used differently. This magic number can also be used as a
"versioning" of the meta data.
- Align user space mapped ring buffer sub buffers to improve TLB
entries
Linus mentioned that the mapped ring buffer sub buffers were
misaligned between the meta page and the sub-buffers, so that if the
sub-buffers were bigger than PAGE_SIZE, it wouldn't allow the TLB to
use bigger entries.
- Add new kernel command line "traceoff" to disable tracing on boot for
instances
If tracing is enabled for a boot instance, there needs a way to be
able to disable it on boot so that new events do not get entered into
the ring buffer and be mixed with events from a previous boot, as
that can be confusing.
- Allow trace_printk() to go to other instances
Currently, trace_printk() can only go to the top level instance. When
debugging with a persistent buffer, it is really useful to be able to
add trace_printk() to go to that buffer, so that you have access to
them after a crash.
- Do not use "bin_printk()" for traces to a boot instance
The bin_printk() saves only a pointer to the printk format in the
ring buffer, as the reader of the buffer can still have access to it.
But this is not the case if the buffer is from a previous boot. If
the trace_printk() is going to a "persistent" buffer, it will use the
slower version that writes the printk format into the buffer.
- Add command line option to allow trace_printk() to go to an instance
Allow the kernel command line to define which instance the
trace_printk() goes to, instead of forcing the admin to set it for
every boot via the tracefs options.
- Start a document that explains how to use tracefs to debug the kernel
- Add some more kernel selftests to test user mapped ring buffer
* tag 'trace-ring-buffer-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (28 commits)
selftests/ring-buffer: Handle meta-page bigger than the system
selftests/ring-buffer: Verify the entire meta-page padding
tracing/Documentation: Start a document on how to debug with tracing
tracing: Add option to set an instance to be the trace_printk destination
tracing: Have trace_printk not use binary prints if boot buffer
tracing: Allow trace_printk() to go to other instance buffers
tracing: Add "traceoff" flag to boot time tracing instances
ring-buffer: Align meta-page to sub-buffers for improved TLB usage
ring-buffer: Add magic and struct size to boot up meta data
ring-buffer: Don't reset persistent ring-buffer meta saved addresses
tracing/fgraph: Have fgraph handle previous boot function addresses
tracing: Allow boot instances to use reserve_mem boot memory
tracing: Fix ifdef of snapshots to not prevent last_boot_info file
ring-buffer: Use vma_pages() helper function
tracing: Fix NULL vs IS_ERR() check in enable_instances()
tracing: Add last boot delta offset for stack traces
tracing: Update function tracing output for previous boot buffer
tracing: Handle old buffer mappings for event strings and functions
tracing/ring-buffer: Add last_boot_info file to boot instance
ring-buffer: Save text and data locations in mapped meta data
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext
Pull sched_ext support from Tejun Heo:
"This implements a new scheduler class called ‘ext_sched_class’, or
sched_ext, which allows scheduling policies to be implemented as BPF
programs.
The goals of this are:
- Ease of experimentation and exploration: Enabling rapid iteration
of new scheduling policies.
- Customization: Building application-specific schedulers which
implement policies that are not applicable to general-purpose
schedulers.
- Rapid scheduler deployments: Non-disruptive swap outs of scheduling
policies in production environments"
See individual commits for more documentation, but also the cover letter
for the latest series:
Link: https://lore.kernel.org/all/20240618212056.2833381-1-tj@kernel.org/
* tag 'sched_ext-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext: (110 commits)
sched: Move update_other_load_avgs() to kernel/sched/pelt.c
sched_ext: Don't trigger ops.quiescent/runnable() on migrations
sched_ext: Synchronize bypass state changes with rq lock
scx_qmap: Implement highpri boosting
sched_ext: Implement scx_bpf_dispatch[_vtime]_from_dsq()
sched_ext: Compact struct bpf_iter_scx_dsq_kern
sched_ext: Replace consume_local_task() with move_local_task_to_local_dsq()
sched_ext: Move consume_local_task() upward
sched_ext: Move sanity check and dsq_mod_nr() into task_unlink_from_dsq()
sched_ext: Reorder args for consume_local/remote_task()
sched_ext: Restructure dispatch_to_local_dsq()
sched_ext: Fix processs_ddsp_deferred_locals() by unifying DTL_INVALID handling
sched_ext: Make find_dsq_for_dispatch() handle SCX_DSQ_LOCAL_ON
sched_ext: Refactor consume_remote_task()
sched_ext: Rename scx_kfunc_set_sleepable to unlocked and relocate
sched_ext: Add missing static to scx_dump_data
sched_ext: Add missing static to scx_has_op[]
sched_ext: Temporarily work around pick_task_scx() being called without balance_scx()
sched_ext: Add a cgroup scheduler which uses flattened hierarchy
sched_ext: Add cgroup support
...
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git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Pull bpf updates from Alexei Starovoitov:
- Introduce '__attribute__((bpf_fastcall))' for helpers and kfuncs with
corresponding support in LLVM.
It is similar to existing 'no_caller_saved_registers' attribute in
GCC/LLVM with a provision for backward compatibility. It allows
compilers generate more efficient BPF code assuming the verifier or
JITs will inline or partially inline a helper/kfunc with such
attribute. bpf_cast_to_kern_ctx, bpf_rdonly_cast,
bpf_get_smp_processor_id are the first set of such helpers.
- Harden and extend ELF build ID parsing logic.
When called from sleepable context the relevants parts of ELF file
will be read to find and fetch .note.gnu.build-id information. Also
harden the logic to avoid TOCTOU, overflow, out-of-bounds problems.
- Improvements and fixes for sched-ext:
- Allow passing BPF iterators as kfunc arguments
- Make the pointer returned from iter_next method trusted
- Fix x86 JIT convergence issue due to growing/shrinking conditional
jumps in variable length encoding
- BPF_LSM related:
- Introduce few VFS kfuncs and consolidate them in
fs/bpf_fs_kfuncs.c
- Enforce correct range of return values from certain LSM hooks
- Disallow attaching to other LSM hooks
- Prerequisite work for upcoming Qdisc in BPF:
- Allow kptrs in program provided structs
- Support for gen_epilogue in verifier_ops
- Important fixes:
- Fix uprobe multi pid filter check
- Fix bpf_strtol and bpf_strtoul helpers
- Track equal scalars history on per-instruction level
- Fix tailcall hierarchy on x86 and arm64
- Fix signed division overflow to prevent INT_MIN/-1 trap on x86
- Fix get kernel stack in BPF progs attached to tracepoint:syscall
- Selftests:
- Add uprobe bench/stress tool
- Generate file dependencies to drastically improve re-build time
- Match JIT-ed and BPF asm with __xlated/__jited keywords
- Convert older tests to test_progs framework
- Add support for RISC-V
- Few fixes when BPF programs are compiled with GCC-BPF backend
(support for GCC-BPF in BPF CI is ongoing in parallel)
- Add traffic monitor
- Enable cross compile and musl libc
* tag 'bpf-next-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (260 commits)
btf: require pahole 1.21+ for DEBUG_INFO_BTF with default DWARF version
btf: move pahole check in scripts/link-vmlinux.sh to lib/Kconfig.debug
btf: remove redundant CONFIG_BPF test in scripts/link-vmlinux.sh
bpf: Call the missed kfree() when there is no special field in btf
bpf: Call the missed btf_record_free() when map creation fails
selftests/bpf: Add a test case to write mtu result into .rodata
selftests/bpf: Add a test case to write strtol result into .rodata
selftests/bpf: Rename ARG_PTR_TO_LONG test description
selftests/bpf: Fix ARG_PTR_TO_LONG {half-,}uninitialized test
bpf: Zero former ARG_PTR_TO_{LONG,INT} args in case of error
bpf: Improve check_raw_mode_ok test for MEM_UNINIT-tagged types
bpf: Fix helper writes to read-only maps
bpf: Remove truncation test in bpf_strtol and bpf_strtoul helpers
bpf: Fix bpf_strtol and bpf_strtoul helpers for 32bit
selftests/bpf: Add tests for sdiv/smod overflow cases
bpf: Fix a sdiv overflow issue
libbpf: Add bpf_object__token_fd accessor
docs/bpf: Add missing BPF program types to docs
docs/bpf: Add constant values for linkages
bpf: Use fake pt_regs when doing bpf syscall tracepoint tracing
...
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull non-MM updates from Andrew Morton:
"Many singleton patches - please see the various changelogs for
details.
Quite a lot of nilfs2 work this time around.
Notable patch series in this pull request are:
- "mul_u64_u64_div_u64: new implementation" by Nicolas Pitre, with
assistance from Uwe Kleine-König. Reimplement mul_u64_u64_div_u64()
to provide (much) more accurate results. The current implementation
was causing Uwe some issues in the PWM drivers.
- "xz: Updates to license, filters, and compression options" from
Lasse Collin. Miscellaneous maintenance and kinor feature work to
the xz decompressor.
- "Fix some GDB command error and add some GDB commands" from
Kuan-Ying Lee. Fixes and enhancements to the gdb scripts.
- "treewide: add missing MODULE_DESCRIPTION() macros" from Jeff
Johnson. Adds lots of MODULE_DESCRIPTIONs, thus fixing lots of
warnings about this.
- "nilfs2: add support for some common ioctls" from Ryusuke Konishi.
Adds various commonly-available ioctls to nilfs2.
- "This series fixes a number of formatting issues in kernel doc
comments" from Ryusuke Konishi does that.
- "nilfs2: prevent unexpected ENOENT propagation" from Ryusuke
Konishi. Fix issues where -ENOENT was being unintentionally and
inappropriately returned to userspace.
- "nilfs2: assorted cleanups" from Huang Xiaojia.
- "nilfs2: fix potential issues with empty b-tree nodes" from Ryusuke
Konishi fixes some issues which can occur on corrupted nilfs2
filesystems.
- "scripts/decode_stacktrace.sh: improve error reporting and
usability" from Luca Ceresoli does those things"
* tag 'mm-nonmm-stable-2024-09-21-07-52' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (103 commits)
list: test: increase coverage of list_test_list_replace*()
list: test: fix tests for list_cut_position()
proc: use __auto_type more
treewide: correct the typo 'retun'
ocfs2: cleanup return value and mlog in ocfs2_global_read_info()
nilfs2: remove duplicate 'unlikely()' usage
nilfs2: fix potential oob read in nilfs_btree_check_delete()
nilfs2: determine empty node blocks as corrupted
nilfs2: fix potential null-ptr-deref in nilfs_btree_insert()
user_namespace: use kmemdup_array() instead of kmemdup() for multiple allocation
tools/mm: rm thp_swap_allocator_test when make clean
squashfs: fix percpu address space issues in decompressor_multi_percpu.c
lib: glob.c: added null check for character class
nilfs2: refactor nilfs_segctor_thread()
nilfs2: use kthread_create and kthread_stop for the log writer thread
nilfs2: remove sc_timer_task
nilfs2: do not repair reserved inode bitmap in nilfs_new_inode()
nilfs2: eliminate the shared counter and spinlock for i_generation
nilfs2: separate inode type information from i_state field
nilfs2: use the BITS_PER_LONG macro
...
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM updates from Andrew Morton:
"Along with the usual shower of singleton patches, notable patch series
in this pull request are:
- "Align kvrealloc() with krealloc()" from Danilo Krummrich. Adds
consistency to the APIs and behaviour of these two core allocation
functions. This also simplifies/enables Rustification.
- "Some cleanups for shmem" from Baolin Wang. No functional changes -
mode code reuse, better function naming, logic simplifications.
- "mm: some small page fault cleanups" from Josef Bacik. No
functional changes - code cleanups only.
- "Various memory tiering fixes" from Zi Yan. A small fix and a
little cleanup.
- "mm/swap: remove boilerplate" from Yu Zhao. Code cleanups and
simplifications and .text shrinkage.
- "Kernel stack usage histogram" from Pasha Tatashin and Shakeel
Butt. This is a feature, it adds new feilds to /proc/vmstat such as
$ grep kstack /proc/vmstat
kstack_1k 3
kstack_2k 188
kstack_4k 11391
kstack_8k 243
kstack_16k 0
which tells us that 11391 processes used 4k of stack while none at
all used 16k. Useful for some system tuning things, but
partivularly useful for "the dynamic kernel stack project".
- "kmemleak: support for percpu memory leak detect" from Pavel
Tikhomirov. Teaches kmemleak to detect leaksage of percpu memory.
- "mm: memcg: page counters optimizations" from Roman Gushchin. "3
independent small optimizations of page counters".
- "mm: split PTE/PMD PT table Kconfig cleanups+clarifications" from
David Hildenbrand. Improves PTE/PMD splitlock detection, makes
powerpc/8xx work correctly by design rather than by accident.
- "mm: remove arch_make_page_accessible()" from David Hildenbrand.
Some folio conversions which make arch_make_page_accessible()
unneeded.
- "mm, memcg: cg2 memory{.swap,}.peak write handlers" fro David
Finkel. Cleans up and fixes our handling of the resetting of the
cgroup/process peak-memory-use detector.
- "Make core VMA operations internal and testable" from Lorenzo
Stoakes. Rationalizaion and encapsulation of the VMA manipulation
APIs. With a view to better enable testing of the VMA functions,
even from a userspace-only harness.
- "mm: zswap: fixes for global shrinker" from Takero Funaki. Fix
issues in the zswap global shrinker, resulting in improved
performance.
- "mm: print the promo watermark in zoneinfo" from Kaiyang Zhao. Fill
in some missing info in /proc/zoneinfo.
- "mm: replace follow_page() by folio_walk" from David Hildenbrand.
Code cleanups and rationalizations (conversion to folio_walk())
resulting in the removal of follow_page().
- "improving dynamic zswap shrinker protection scheme" from Nhat
Pham. Some tuning to improve zswap's dynamic shrinker. Significant
reductions in swapin and improvements in performance are shown.
- "mm: Fix several issues with unaccepted memory" from Kirill
Shutemov. Improvements to the new unaccepted memory feature,
- "mm/mprotect: Fix dax puds" from Peter Xu. Implements mprotect on
DAX PUDs. This was missing, although nobody seems to have notied
yet.
- "Introduce a store type enum for the Maple tree" from Sidhartha
Kumar. Cleanups and modest performance improvements for the maple
tree library code.
- "memcg: further decouple v1 code from v2" from Shakeel Butt. Move
more cgroup v1 remnants away from the v2 memcg code.
- "memcg: initiate deprecation of v1 features" from Shakeel Butt.
Adds various warnings telling users that memcg v1 features are
deprecated.
- "mm: swap: mTHP swap allocator base on swap cluster order" from
Chris Li. Greatly improves the success rate of the mTHP swap
allocation.
- "mm: introduce numa_memblks" from Mike Rapoport. Moves various
disparate per-arch implementations of numa_memblk code into generic
code.
- "mm: batch free swaps for zap_pte_range()" from Barry Song. Greatly
improves the performance of munmap() of swap-filled ptes.
- "support large folio swap-out and swap-in for shmem" from Baolin
Wang. With this series we no longer split shmem large folios into
simgle-page folios when swapping out shmem.
- "mm/hugetlb: alloc/free gigantic folios" from Yu Zhao. Nice
performance improvements and code reductions for gigantic folios.
- "support shmem mTHP collapse" from Baolin Wang. Adds support for
khugepaged's collapsing of shmem mTHP folios.
- "mm: Optimize mseal checks" from Pedro Falcato. Fixes an mprotect()
performance regression due to the addition of mseal().
- "Increase the number of bits available in page_type" from Matthew
Wilcox. Increases the number of bits available in page_type!
- "Simplify the page flags a little" from Matthew Wilcox. Many legacy
page flags are now folio flags, so the page-based flags and their
accessors/mutators can be removed.
- "mm: store zero pages to be swapped out in a bitmap" from Usama
Arif. An optimization which permits us to avoid writing/reading
zero-filled zswap pages to backing store.
- "Avoid MAP_FIXED gap exposure" from Liam Howlett. Fixes a race
window which occurs when a MAP_FIXED operqtion is occurring during
an unrelated vma tree walk.
- "mm: remove vma_merge()" from Lorenzo Stoakes. Major rotorooting of
the vma_merge() functionality, making ot cleaner, more testable and
better tested.
- "misc fixups for DAMON {self,kunit} tests" from SeongJae Park.
Minor fixups of DAMON selftests and kunit tests.
- "mm: memory_hotplug: improve do_migrate_range()" from Kefeng Wang.
Code cleanups and folio conversions.
- "Shmem mTHP controls and stats improvements" from Ryan Roberts.
Cleanups for shmem controls and stats.
- "mm: count the number of anonymous THPs per size" from Barry Song.
Expose additional anon THP stats to userspace for improved tuning.
- "mm: finish isolate/putback_lru_page()" from Kefeng Wang: more
folio conversions and removal of now-unused page-based APIs.
- "replace per-quota region priorities histogram buffer with
per-context one" from SeongJae Park. DAMON histogram
rationalization.
- "Docs/damon: update GitHub repo URLs and maintainer-profile" from
SeongJae Park. DAMON documentation updates.
- "mm/vdpa: correct misuse of non-direct-reclaim __GFP_NOFAIL and
improve related doc and warn" from Jason Wang: fixes usage of page
allocator __GFP_NOFAIL and GFP_ATOMIC flags.
- "mm: split underused THPs" from Yu Zhao. Improve THP=always policy.
This was overprovisioning THPs in sparsely accessed memory areas.
- "zram: introduce custom comp backends API" frm Sergey Senozhatsky.
Add support for zram run-time compression algorithm tuning.
- "mm: Care about shadow stack guard gap when getting an unmapped
area" from Mark Brown. Fix up the various arch_get_unmapped_area()
implementations to better respect guard areas.
- "Improve mem_cgroup_iter()" from Kinsey Ho. Improve the reliability
of mem_cgroup_iter() and various code cleanups.
- "mm: Support huge pfnmaps" from Peter Xu. Extends the usage of huge
pfnmap support.
- "resource: Fix region_intersects() vs add_memory_driver_managed()"
from Huang Ying. Fix a bug in region_intersects() for systems with
CXL memory.
- "mm: hwpoison: two more poison recovery" from Kefeng Wang. Teaches
a couple more code paths to correctly recover from the encountering
of poisoned memry.
- "mm: enable large folios swap-in support" from Barry Song. Support
the swapin of mTHP memory into appropriately-sized folios, rather
than into single-page folios"
* tag 'mm-stable-2024-09-20-02-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (416 commits)
zram: free secondary algorithms names
uprobes: turn xol_area->pages[2] into xol_area->page
uprobes: introduce the global struct vm_special_mapping xol_mapping
Revert "uprobes: use vm_special_mapping close() functionality"
mm: support large folios swap-in for sync io devices
mm: add nr argument in mem_cgroup_swapin_uncharge_swap() helper to support large folios
mm: fix swap_read_folio_zeromap() for large folios with partial zeromap
mm/debug_vm_pgtable: Use pxdp_get() for accessing page table entries
set_memory: add __must_check to generic stubs
mm/vma: return the exact errno in vms_gather_munmap_vmas()
memcg: cleanup with !CONFIG_MEMCG_V1
mm/show_mem.c: report alloc tags in human readable units
mm: support poison recovery from copy_present_page()
mm: support poison recovery from do_cow_fault()
resource, kunit: add test case for region_intersects()
resource: make alloc_free_mem_region() works for iomem_resource
mm: z3fold: deprecate CONFIG_Z3FOLD
vfio/pci: implement huge_fault support
mm/arm64: support large pfn mappings
mm/x86: support large pfn mappings
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
"Lots of cleanups and bug fixes this cycle, primarily in the block
allocation, extent management, fast commit, and journalling"
* tag 'ext4_for_linus-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (93 commits)
ext4: convert EXT4_B2C(sbi->s_stripe) users to EXT4_NUM_B2C
ext4: check stripe size compatibility on remount as well
ext4: fix i_data_sem unlock order in ext4_ind_migrate()
ext4: remove the special buffer dirty handling in do_journal_get_write_access
ext4: fix a potential assertion failure due to improperly dirtied buffer
ext4: hoist ext4_block_write_begin and replace the __block_write_begin
ext4: persist the new uptodate buffers in ext4_journalled_zero_new_buffers
ext4: dax: keep orphan list before truncate overflow allocated blocks
ext4: fix error message when rejecting the default hash
ext4: save unnecessary indentation in ext4_ext_create_new_leaf()
ext4: make some fast commit functions reuse extents path
ext4: refactor ext4_swap_extents() to reuse extents path
ext4: get rid of ppath in convert_initialized_extent()
ext4: get rid of ppath in ext4_ext_handle_unwritten_extents()
ext4: get rid of ppath in ext4_ext_convert_to_initialized()
ext4: get rid of ppath in ext4_convert_unwritten_extents_endio()
ext4: get rid of ppath in ext4_split_convert_extents()
ext4: get rid of ppath in ext4_split_extent()
ext4: get rid of ppath in ext4_force_split_extent_at()
ext4: get rid of ppath in ext4_split_extent_at()
...
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gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs
Pull vfs blocksize updates from Christian Brauner:
"This contains the vfs infrastructure as well as the xfs bits to enable
support for block sizes (bs) larger than page sizes (ps) plus a few
fixes to related infrastructure.
There has been efforts over the last 16 years to enable enable Large
Block Sizes (LBS), that is block sizes in filesystems where bs > page
size. Through these efforts we have learned that one of the main
blockers to supporting bs > ps in filesystems has been a way to
allocate pages that are at least the filesystem block size on the page
cache where bs > ps.
Thanks to various previous efforts it is possible to support bs > ps
in XFS with only a few changes in XFS itself. Most changes are to the
page cache to support minimum order folio support for the target block
size on the filesystem.
A motivation for Large Block Sizes today is to support high-capacity
(large amount of Terabytes) QLC SSDs where the internal Indirection
Unit (IU) are typically greater than 4k to help reduce DRAM and so in
turn cost and space. In practice this then allows different
architectures to use a base page size of 4k while still enabling
support for block sizes aligned to the larger IUs by relying on high
order folios on the page cache when needed.
It also allows to take advantage of the drive's support for atomics
larger than 4k with buffered IO support in Linux. As described this
year at LSFMM, supporting large atomics greater than 4k enables
databases to remove the need to rely on their own journaling, so they
can disable double buffered writes, which is a feature different cloud
providers are already enabling through custom storage solutions"
* tag 'vfs-6.12.blocksize' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs: (22 commits)
Documentation: iomap: fix a typo
iomap: remove the iomap_file_buffered_write_punch_delalloc return value
iomap: pass the iomap to the punch callback
iomap: pass flags to iomap_file_buffered_write_punch_delalloc
iomap: improve shared block detection in iomap_unshare_iter
iomap: handle a post-direct I/O invalidate race in iomap_write_delalloc_release
docs:filesystems: fix spelling and grammar mistakes in iomap design page
filemap: fix htmldoc warning for mapping_align_index()
iomap: make zero range flush conditional on unwritten mappings
iomap: fix handling of dirty folios over unwritten extents
iomap: add a private argument for iomap_file_buffered_write
iomap: remove set_memor_ro() on zero page
xfs: enable block size larger than page size support
xfs: make the calculation generic in xfs_sb_validate_fsb_count()
xfs: expose block size in stat
xfs: use kvmalloc for xattr buffers
iomap: fix iomap_dio_zero() for fs bs > system page size
filemap: cap PTE range to be created to allowed zero fill in folio_map_range()
mm: split a folio in minimum folio order chunks
readahead: allocate folios with mapping_min_order in readahead
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
- Implement the SCHED_DEADLINE server infrastructure - Daniel Bristot
de Oliveira's last major contribution to the kernel:
"SCHED_DEADLINE servers can help fixing starvation issues of low
priority tasks (e.g., SCHED_OTHER) when higher priority tasks
monopolize CPU cycles. Today we have RT Throttling; DEADLINE
servers should be able to replace and improve that."
(Daniel Bristot de Oliveira, Peter Zijlstra, Joel Fernandes, Youssef
Esmat, Huang Shijie)
- Preparatory changes for sched_ext integration:
- Use set_next_task(.first) where required
- Fix up set_next_task() implementations
- Clean up DL server vs. core sched
- Split up put_prev_task_balance()
- Rework pick_next_task()
- Combine the last put_prev_task() and the first set_next_task()
- Rework dl_server
- Add put_prev_task(.next)
(Peter Zijlstra, with a fix by Tejun Heo)
- Complete the EEVDF transition and refine EEVDF scheduling:
- Implement delayed dequeue
- Allow shorter slices to wakeup-preempt
- Use sched_attr::sched_runtime to set request/slice suggestion
- Document the new feature flags
- Remove unused and duplicate-functionality fields
- Simplify & unify pick_next_task_fair()
- Misc debuggability enhancements
(Peter Zijlstra, with fixes/cleanups by Dietmar Eggemann, Valentin
Schneider and Chuyi Zhou)
- Initialize the vruntime of a new task when it is first enqueued,
resulting in significant decrease in latency of newly woken tasks
(Zhang Qiao)
- Introduce SM_IDLE and an idle re-entry fast-path in __schedule()
(K Prateek Nayak, Peter Zijlstra)
- Clean up and clarify the usage of Clean up usage of rt_task()
(Qais Yousef)
- Preempt SCHED_IDLE entities in strict cgroup hierarchies
(Tianchen Ding)
- Clarify the documentation of time units for deadline scheduler
parameters (Christian Loehle)
- Remove the HZ_BW chicken-bit feature flag introduced a year ago,
the original change seems to be working fine (Phil Auld)
- Misc fixes and cleanups (Chen Yu, Dan Carpenter, Huang Shijie,
Peilin He, Qais Yousefm and Vincent Guittot)
* tag 'sched-core-2024-09-19' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (64 commits)
sched/cpufreq: Use NSEC_PER_MSEC for deadline task
cpufreq/cppc: Use NSEC_PER_MSEC for deadline task
sched/deadline: Clarify nanoseconds in uapi
sched/deadline: Convert schedtool example to chrt
sched/debug: Fix the runnable tasks output
sched: Fix sched_delayed vs sched_core
kernel/sched: Fix util_est accounting for DELAY_DEQUEUE
kthread: Fix task state in kthread worker if being frozen
sched/pelt: Use rq_clock_task() for hw_pressure
sched/fair: Move effective_cpu_util() and effective_cpu_util() in fair.c
sched/core: Introduce SM_IDLE and an idle re-entry fast-path in __schedule()
sched: Add put_prev_task(.next)
sched: Rework dl_server
sched: Combine the last put_prev_task() and the first set_next_task()
sched: Rework pick_next_task()
sched: Split up put_prev_task_balance()
sched: Clean up DL server vs core sched
sched: Fixup set_next_task() implementations
sched: Use set_next_task(.first) where required
sched/fair: Properly deactivate sched_delayed task upon class change
...
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git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping updates from Christoph Hellwig:
- support DMA zones for arm64 systems where memory starts at > 4GB
(Baruch Siach, Catalin Marinas)
- support direct calls into dma-iommu and thus obsolete dma_map_ops for
many common configurations (Leon Romanovsky)
- add DMA-API tracing (Sean Anderson)
- remove the not very useful return value from various dma_set_* APIs
(Christoph Hellwig)
- misc cleanups and minor optimizations (Chen Y, Yosry Ahmed, Christoph
Hellwig)
* tag 'dma-mapping-6.12-2024-09-19' of git://git.infradead.org/users/hch/dma-mapping:
dma-mapping: reflow dma_supported
dma-mapping: reliably inform about DMA support for IOMMU
dma-mapping: add tracing for dma-mapping API calls
dma-mapping: use IOMMU DMA calls for common alloc/free page calls
dma-direct: optimize page freeing when it is not addressable
dma-mapping: clearly mark DMA ops as an architecture feature
vdpa_sim: don't select DMA_OPS
arm64: mm: keep low RAM dma zone
dma-mapping: don't return errors from dma_set_max_seg_size
dma-mapping: don't return errors from dma_set_seg_boundary
dma-mapping: don't return errors from dma_set_min_align_mask
scsi: check that busses support the DMA API before setting dma parameters
arm64: mm: fix DMA zone when dma-ranges is missing
dma-mapping: direct calls for dma-iommu
dma-mapping: call ->unmap_page and ->unmap_sg unconditionally
arm64: support DMA zone above 4GB
dma-mapping: replace zone_dma_bits by zone_dma_limit
dma-mapping: use bit masking to check VM_DMA_COHERENT
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Pull drm updates from Dave Airlie:
"This adds a couple of patches outside the drm core, all should be
acked appropriately, the string and pstore ones are the main ones that
come to mind.
Otherwise it's the usual drivers, xe is getting enabled by default on
some new hardware, we've changed the device number handling to allow
more devices, and we added some optional rust code to create QR codes
in the panic handler, an idea first suggested I think 10 years ago :-)
string:
- add mem_is_zero()
core:
- support more device numbers
- use XArray for minor ids
- add backlight constants
- Split dma fence array creation into alloc and arm
fbdev:
- remove usage of old fbdev hooks
kms:
- Add might_fault() to drm_modeset_lock priming
- Add dynamic per-crtc vblank configuration support
dma-buf:
- docs cleanup
buddy:
- Add start address support for trim function
printk:
- pass description to kmsg_dump
scheduler:
- Remove full_recover from drm_sched_start
ttm:
- Make LRU walk restartable after dropping locks
- Allow direct reclaim to allocate local memory
panic:
- add display QR code (in rust)
displayport:
- mst: GUID improvements
bridge:
- Silence error message on -EPROBE_DEFER
- analogix: Clean aup
- bridge-connector: Fix double free
- lt6505: Disable interrupt when powered off
- tc358767: Make default DP port preemphasis configurable
- lt9611uxc: require DRM_BRIDGE_ATTACH_NO_CONNECTOR
- anx7625: simplify OF array handling
- dw-hdmi: simplify clock handling
- lontium-lt8912b: fix mode validation
- nwl-dsi: fix mode vsync/hsync polarity
xe:
- Enable LunarLake and Battlemage support
- Introducing Xe2 ccs modifiers for integrated and discrete graphics
- rename xe perf to xe observation
- use wb caching on DGFX for system memory
- add fence timeouts
- Lunar Lake graphics/media/display workarounds
- Battlemage workarounds
- Battlemage GSC support
- GSC and HuC fw updates for LL/BM
- use dma_fence_chain_free
- refactor hw engine lookup and mmio access
- enable priority mem read for Xe2
- Add first GuC BMG fw
- fix dma-resv lock
- Fix DGFX display suspend/resume
- Use xe_managed for kernel BOs
- Use reserved copy engine for user binds on faulting devices
- Allow mixing dma-fence jobs and long-running faulting jobs
- fix media TLB invalidation
- fix rpm in TTM swapout path
- track resources and VF state by PF
i915:
- Type-C programming fix for MTL+
- FBC cleanup
- Calc vblank delay more accurately
- On DP MST, Enable LT fallback for UHBR<->non-UHBR rates
- Fix DP LTTPR detection
- limit relocations to INT_MAX
- fix long hangs in buddy allocator on DG2/A380
amdgpu:
- Per-queue reset support
- SDMA devcoredump support
- DCN 4.0.1 updates
- GFX12/VCN4/JPEG4 updates
- Convert vbios embedded EDID to drm_edid
- GFX9.3/9.4 devcoredump support
- process isolation framework for GFX 9.4.3/4
- take IOMMU mappings into account for P2P DMA
amdkfd:
- CRIU fixes
- HMM fix
- Enable process isolation support for GFX 9.4.3/4
- Allow users to target recommended SDMA engines
- KFD support for targetting queues on recommended SDMA engines
radeon:
- remove .load and drm_dev_alloc
- Fix vbios embedded EDID size handling
- Convert vbios embedded EDID to drm_edid
- Use GEM references instead of TTM
- r100 cp init cleanup
- Fix potential overflows in evergreen CS offset tracking
msm:
- DPU:
- implement DP/PHY mapping on SC8180X
- Enable writeback on SM8150, SC8180X, SM6125, SM6350
- DP:
- Enable widebus on all relevant chipsets
- MSM8998 HDMI support
- GPU:
- A642L speedbin support
- A615/A306/A621 support
- A7xx devcoredump support
ast:
- astdp: Support AST2600 with VGA
- Clean up HPD
- Fix timeout loop for DP link training
- reorganize output code by type (VGA, DP, etc)
- convert to struct drm_edid
- fix BMC handling for all outputs
exynos:
- drop stale MAINTAINERS pattern
- constify struct
loongson:
- use GEM refcount over TTM
mgag200:
- Improve BMC handling
- Support VBLANK intterupts
- transparently support BMC outputs
nouveau:
- Refactor and clean up internals
- Use GEM refcount over TTM's
gm12u320:
- convert to struct drm_edid
gma500:
- update i2c terms
lcdif:
- pixel clock fix
host1x:
- fix syncpoint IRQ during resume
- use iommu_paging_domain_alloc()
imx:
- ipuv3: convert to struct drm_edid
omapdrm:
- improve error handling
- use common helper for_each_endpoint_of_node()
panel:
- add support for BOE TV101WUM-LL2 plus DT bindings
- novatek-nt35950: improve error handling
- nv3051d: improve error handling
- panel-edp:
- add support for BOE NE140WUM-N6G
- revert support for SDC ATNA45AF01
- visionox-vtdr6130:
- improve error handling
- use devm_regulator_bulk_get_const()
- boe-th101mb31ig002:
- Support for starry-er88577 MIPI-DSI panel plus DT
- Fix porch parameter
- edp: Support AOU B116XTN02.3, AUO B116XAN06.1, AOU B116XAT04.1, BOE
NV140WUM-N41, BOE NV133WUM-N63, BOE NV116WHM-A4D, CMN N116BCA-EA2,
CMN N116BCP-EA2, CSW MNB601LS1-4
- himax-hx8394: Support Microchip AC40T08A MIPI Display panel plus DT
- ilitek-ili9806e: Support Densitron DMT028VGHMCMI-1D TFT plus DT
- jd9365da:
- Support Melfas lmfbx101117480 MIPI-DSI panel plus DT
- Refactor for code sharing
- panel-edp: fix name for HKC MB116AN01
- jd9365da: fix "exit sleep" commands
- jdi-fhd-r63452: simplify error handling with DSI multi-style
helpers
- mantix-mlaf057we51: simplify error handling with DSI multi-style
helpers
- simple:
- support Innolux G070ACE-LH3 plus DT bindings
- support On Tat Industrial Company KD50G21-40NT-A1 plus DT
bindings
- st7701:
- decouple DSI and DRM code
- add SPI support
- support Anbernic RG28XX plus DT bindings
mediatek:
- support alpha blending
- remove cl in struct cmdq_pkt
- ovl adaptor fix
- add power domain binding for mediatek DPI controller
renesas:
- rz-du: add support for RZ/G2UL plus DT bindings
rockchip:
- Improve DP sink-capability reporting
- dw_hdmi: Support 4k@60Hz
- vop:
- Support RGB display on Rockchip RK3066
- Support 4096px width
sti:
- convert to struct drm_edid
stm:
- Avoid UAF wih managed plane and CRTC helpers
- Fix module owner
- Fix error handling in probe
- Depend on COMMON_CLK
- ltdc:
- Fix transparency after disabling plane
- Remove unused interrupt
tegra:
- gr3d: improve PM domain handling
- convert to struct drm_edid
- Call drm_atomic_helper_shutdown()
vc4:
- fix PM during detect
- replace DRM_ERROR() with drm_error()
- v3d: simplify clock retrieval
v3d:
- Clean up perfmon
virtio:
- add DRM capset"
* tag 'drm-next-2024-09-19' of https://gitlab.freedesktop.org/drm/kernel: (1326 commits)
drm/xe: Fix missing conversion to xe_display_pm_runtime_resume
drm/xe/xe2hpg: Add Wa_15016589081
drm/xe: Don't keep stale pointer to bo->ggtt_node
drm/xe: fix missing 'xe_vm_put'
drm/xe: fix build warning with CONFIG_PM=n
drm/xe: Suppress missing outer rpm protection warning
drm/xe: prevent potential UAF in pf_provision_vf_ggtt()
drm/amd/display: Add all planes on CRTC to state for overlay cursor
drm/i915/bios: fix printk format width
drm/i915/display: Fix BMG CCS modifiers
drm/amdgpu: get rid of bogus includes of fdtable.h
drm/amdkfd: CRIU fixes
drm/amdgpu: fix a race in kfd_mem_export_dmabuf()
drm: new helper: drm_gem_prime_handle_to_dmabuf()
drm/amdgpu/atomfirmware: Silence UBSAN warning
drm/amdgpu: Fix kdoc entry in 'amdgpu_vm_cpu_prepare'
drm/amd/amdgpu: apply command submission parser for JPEG v1
drm/amd/amdgpu: apply command submission parser for JPEG v2+
drm/amd/pm: fix the pp_dpm_pcie issue on smu v14.0.2/3
drm/amd/pm: update the features set on smu v14.0.2/3
...
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git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata updates from Damien Le Moal:
- Convert the qcom AHCI controller DT bindings to DT schema (from
Rayyan)
- Cleanup of libata core and drivers code handling controller and
device quirks to rename "blacklist" to the more neutral "quirk" and
to replace the rarely used "horkage" term with the more common
"quirk" naming (me)
- Add libata-core message to print the quirks applied to a controller
or device (me)
- Remove the not-so-useful function ata_noop_qc_prep() from libata core
(me)
- ahci_imx driver cleanup, improvements and DT bindings compatible
strings update (Richard and Dan)
- libahci_platform improvements (Zhang)
- Remove obsolete functions declarations from libata header files (from
Gaosheng)
- Improve teh ahci_brcm driver using managed device resources funetions
(Zhang)
- Introduce new helper function to improve libata EH code readability
(Niklas)
- Enable module autoloading for the pata_ftide010, pata_ixp4xx and
sata_gemini drivers (Liao)
- Move SATA related functions and data declaraions from libata-core to
libata-sata (me)
- Rename the function handling the sense data for successful NCQ
commands log to better reflect that function actions (me)
- Reduce libata memory usage by moving port resources to struct
ata_device and by optimizing the management of resources for CDL
capable devices (me)
- Improve libata-eh handling of failed ATA passthrough commands
(Niklas)
* tag 'ata-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux: (39 commits)
ata: libata: Clear DID_TIME_OUT for ATA PT commands with sense data
ata: libata: Fix W=1 compilation warning
ata: libata: Improve CDL resource management
ata: libata: Introduce ata_dev_free_resources
ata: libata: Move sector_buf from struct ata_port to struct ata_device
ata: libata: Rename ata_eh_read_sense_success_ncq_log()
ata: libata: Move sata_std_hardreset() definition to libata-sata.c
ata: libata: Move sata_down_spd_limit() to libata-sata.c
ata: libata: Improve __ata_qc_complete()
ata: libata-scsi: Improve ata_scsi_handle_link_detach()
ata: libata: Cleanup libata-transport
ata: sata_gemini: Enable module autoloading
ata: pata_ixp4xx: Enable module autoloading
ata: pata_ftide010: Enable module autoloading
ata: libata: Add helper ata_eh_decide_disposition()
ata: ahci_brcm: Use devm_platform_ioremap_resource_byname() helper function
ata: libata: Remove obsolete function declarations
ata: ahci_imx: Fix error code in probe()
ata: libahci_platform: Simplify code with for_each_child_of_node_scoped()
ata: ahci_imx: Correct the email address
...
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID updates from Jiri Kosina:
- New HID over SPI driver for Goodix devices that don't follow
Microsoft's HID-over-SPI specification, so a separate driver is
needed. Currently supported device is GT7986U touchscreen (Charles
Wang)
- support for new hardware features in Wacom driver (high-res wheel
scrolling, touchstrings with relative motions, support for two
touchrings) (Jason Gerecke)
- support for customized vendor firmware loading in intel-ish driver
(Zhang Lixu)
- fix for theoretical race condition in i2c-hid (Dmitry Torokhov)
- support for HIDIOCREVOKE -- evdev's EVIOCREVOKE equivalent in hidraw
(Peter Hutterer)
- initial hidraw selftest implementation (Benjamin Tissoires)
- constification of device-specific report descriptors (Thomas
Weißschuh)
- other small assorted fixes and device ID / quirk additions
* tag 'hid-for-linus-2024091602' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (54 commits)
hid: cp2112: Use irq_get_trigger_type() helper
HID: i2c-hid: ensure various commands do not interfere with each other
HID: multitouch: Add support for Thinkpad X12 Gen 2 Kbd Portfolio
HID: wacom: Do not warn about dropped packets for first packet
HID: wacom: Support sequence numbers smaller than 16-bit
HID: lg: constify fixed up report descriptor
HID: uclogic: constify fixed up report descriptor
HID: waltop: constify fixed up report descriptor
HID: sony: constify fixed up report descriptor
HID: pxrc: constify fixed up report descriptor
HID: steelseries: constify fixed up report descriptor
HID: viewsonic: constify fixed up report descriptor
HID: vrc2: constify fixed up report descriptor
HID: xiaomi: constify fixed up report descriptor
HID: maltron: constify fixed up report descriptor
HID: keytouch: constify fixed up report descriptor
HID: holtek-kbd: constify fixed up report descriptor
HID: dr: constify fixed up report descriptor
HID: bigbenff: constify fixed up report descriptor
HID: picoLCD: Use backlight power constants
...
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git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform drivers updates from Hans de Goede:
- asus-wmi: Add support for vivobook fan profiles
- dell-laptop: Add knobs to change battery charge settings
- lg-laptop: Add operation region support
- intel-uncore-freq: Add support for efficiency latency control
- intel/ifs: Add SBAF test support
- intel/pmc: Ignore all LTRs during suspend
- platform/surface: Support for arm64 based Surface devices
- wmi: Pass event data directly to legacy notify handlers
- x86/platform/geode: switch GPIO buttons and LEDs to software
properties
- bunch of small cleanups, fixes, hw-id additions, etc.
* tag 'platform-drivers-x86-v6.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (65 commits)
MAINTAINERS: adjust file entry in INTEL MID PLATFORM
platform/x86: x86-android-tablets: Adjust Xiaomi Pad 2 bottom bezel touch buttons LED
platform/mellanox: mlxbf-pmc: fix lockdep warning
platform/x86/amd: pmf: Add quirk for TUF Gaming A14
platform/x86: touchscreen_dmi: add nanote-next quirk
platform/x86: asus-wmi: don't fail if platform_profile already registered
platform/x86: asus-wmi: add debug print in more key places
platform/x86: intel_scu_wdt: Move intel_scu_wdt.h to x86 subfolder
platform/x86: intel_scu_ipc: Move intel_scu_ipc.h out of arch/x86/include/asm
MAINTAINERS: Add Intel MID section
platform/x86: panasonic-laptop: Add support for programmable buttons
platform/olpc: Remove redundant null pointer checks in olpc_ec_setup_debugfs()
platform/x86: intel/pmc: Ignore all LTRs during suspend
platform/x86: wmi: Call both legacy and WMI driver notify handlers
platform/x86: wmi: Merge get_event_data() with wmi_get_notify_data()
platform/x86: wmi: Remove wmi_get_event_data()
platform/x86: wmi: Pass event data directly to legacy notify handlers
platform/x86: thinkpad_acpi: Fix uninitialized symbol 's' warning
platform/x86: x86-android-tablets: Fix spelling in the comments
platform/x86: ideapad-laptop: Make the scope_guard() clear of its scope
...
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git://git.kernel.org/pub/scm/linux/kernel/git/crng/random
Pull random number generator updates from Jason Donenfeld:
"Originally I'd planned on sending each of the vDSO getrandom()
architecture ports to their respective arch trees. But as we started
to work on this, we found lots of interesting issues in the shared
code and infrastructure, the fixes for which the various archs needed
to base their work.
So in the end, this turned into a nice collaborative effort fixing up
issues and porting to 5 new architectures -- arm64, powerpc64,
powerpc32, s390x, and loongarch64 -- with everybody pitching in and
commenting on each other's code. It was a fun development cycle.
This contains:
- Numerous fixups to the vDSO selftest infrastructure, getting it
running successfully on more platforms, and fixing bugs in it.
- Additions to the vDSO getrandom & chacha selftests. Basically every
time manual review unearthed a bug in a revision of an arch patch,
or an ambiguity, the tests were augmented.
By the time the last arch was submitted for review, s390x, v1 of
the series was essentially fine right out of the gate.
- Fixes to the the generic C implementation of vDSO getrandom, to
build and run successfully on all archs, decoupling it from
assumptions we had (unintentionally) made on x86_64 that didn't
carry through to the other architectures.
- Port of vDSO getrandom to LoongArch64, from Xi Ruoyao and acked by
Huacai Chen.
- Port of vDSO getrandom to ARM64, from Adhemerval Zanella and acked
by Will Deacon.
- Port of vDSO getrandom to PowerPC, in both 32-bit and 64-bit
varieties, from Christophe Leroy and acked by Michael Ellerman.
- Port of vDSO getrandom to S390X from Heiko Carstens, the arch
maintainer.
While it'd be natural for there to be things to fix up over the course
of the development cycle, these patches got a decent amount of review
from a fairly diverse crew of folks on the mailing lists, and, for the
most part, they've been cooking in linux-next, which has been helpful
for ironing out build issues.
In terms of architectures, I think that mostly takes care of the
important 64-bit archs with hardware still being produced and running
production loads in settings where vDSO getrandom is likely to help.
Arguably there's still RISC-V left, and we'll see for 6.13 whether
they find it useful and submit a port"
* tag 'random-6.12-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random: (47 commits)
selftests: vDSO: check cpu caps before running chacha test
s390/vdso: Wire up getrandom() vdso implementation
s390/vdso: Move vdso symbol handling to separate header file
s390/vdso: Allow alternatives in vdso code
s390/module: Provide find_section() helper
s390/facility: Let test_facility() generate static branch if possible
s390/alternatives: Remove ALT_FACILITY_EARLY
s390/facility: Disable compile time optimization for decompressor code
selftests: vDSO: fix vdso_config for s390
selftests: vDSO: fix ELF hash table entry size for s390x
powerpc/vdso: Wire up getrandom() vDSO implementation on VDSO64
powerpc/vdso: Wire up getrandom() vDSO implementation on VDSO32
powerpc/vdso: Refactor CFLAGS for CVDSO build
powerpc/vdso32: Add crtsavres
mm: Define VM_DROPPABLE for powerpc/32
powerpc/vdso: Fix VDSO data access when running in a non-root time namespace
selftests: vDSO: don't include generated headers for chacha test
arm64: vDSO: Wire up getrandom() vDSO implementation
arm64: alternative: make alternative_has_cap_likely() VDSO compatible
selftests: vDSO: also test counter in vdso_test_chacha
...
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|
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf events updates from Ingo Molnar:
- Implement per-PMU context rescheduling to significantly improve
single-PMU performance, and related cleanups/fixes (Peter Zijlstra
and Namhyung Kim)
- Fix ancient bug resulting in a lot of events being dropped
erroneously at higher sampling frequencies (Luo Gengkun)
- uprobes enhancements:
- Implement RCU-protected hot path optimizations for better
performance:
"For baseline vs SRCU, peak througput increased from 3.7 M/s
(million uprobe triggerings per second) up to about 8 M/s. For
uretprobes it's a bit more modest with bump from 2.4 M/s to
5 M/s.
For SRCU vs RCU Tasks Trace, peak throughput for uprobes
increases further from 8 M/s to 10.3 M/s (+28%!), and for
uretprobes from 5.3 M/s to 5.8 M/s (+11%), as we have more
work to do on uretprobes side.
Even single-thread (no contention) performance is slightly
better: 3.276 M/s to 3.396 M/s (+3.5%) for uprobes, and 2.055
M/s to 2.174 M/s (+5.8%) for uretprobes."
(Andrii Nakryiko et al)
- Document mmap_lock, don't abuse get_user_pages_remote() (Oleg
Nesterov)
- Cleanups & fixes to prepare for future work:
- Remove uprobe_register_refctr()
- Simplify error handling for alloc_uprobe()
- Make uprobe_register() return struct uprobe *
- Fold __uprobe_unregister() into uprobe_unregister()
- Shift put_uprobe() from delete_uprobe() to uprobe_unregister()
- BPF: Fix use-after-free in bpf_uprobe_multi_link_attach()
(Oleg Nesterov)
- New feature & ABI extension: allow events to use PERF_SAMPLE READ
with inheritance, enabling sample based profiling of a group of
counters over a hierarchy of processes or threads (Ben Gainey)
- Intel uncore & power events updates:
- Add Arrow Lake and Lunar Lake support
- Add PERF_EV_CAP_READ_SCOPE
- Clean up and enhance cpumask and hotplug support
(Kan Liang)
- Add LNL uncore iMC freerunning support
- Use D0:F0 as a default device
(Zhenyu Wang)
- Intel PT: fix AUX snapshot handling race (Adrian Hunter)
- Misc fixes and cleanups (James Clark, Jiri Olsa, Oleg Nesterov and
Peter Zijlstra)
* tag 'perf-core-2024-09-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (40 commits)
dmaengine: idxd: Clean up cpumask and hotplug for perfmon
iommu/vt-d: Clean up cpumask and hotplug for perfmon
perf/x86/intel/cstate: Clean up cpumask and hotplug
perf: Add PERF_EV_CAP_READ_SCOPE
perf: Generic hotplug support for a PMU with a scope
uprobes: perform lockless SRCU-protected uprobes_tree lookup
rbtree: provide rb_find_rcu() / rb_find_add_rcu()
perf/uprobe: split uprobe_unregister()
uprobes: travers uprobe's consumer list locklessly under SRCU protection
uprobes: get rid of enum uprobe_filter_ctx in uprobe filter callbacks
uprobes: protected uprobe lifetime with SRCU
uprobes: revamp uprobe refcounting and lifetime management
bpf: Fix use-after-free in bpf_uprobe_multi_link_attach()
perf/core: Fix small negative period being ignored
perf: Really fix event_function_call() locking
perf: Optimize __pmu_ctx_sched_out()
perf: Add context time freeze
perf: Fix event_function_call() locking
perf: Extract a few helpers
perf: Optimize context reschedule for single PMU cases
...
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev
Pull fbdev updates from Helge Deller:
- video: Reduce code when CONFIG_HAS_IOPORT=n
- xenfb: Fix crash by assigning fb_info->device
- pxafb: Fix possible use after free in pxafb_task()
- efifb: Introduce and use new devm_register_framebuffer() function
- mmpfb: Utilize devm_clk_get_enabled() helpers
- various typo fixes and code cleanups
* tag 'fbdev-for-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
fbdev: omapfb: Fix typo in comment
fbdev: pxafb: Fix possible use after free in pxafb_task()
fbdev: xen-fbfront: Assign fb_info->device
fbdev: hyperv_fb: Convert comma to semicolon
fbdev: imsttfb: convert comma to semicolon
fbdev: pxa3xx-gcu: Convert comma to semicolon
fbdev: efifb: Use driver-private screen_info for sysfs
fbdev: efifb: Use devm_register_framebuffer()
fbdev: efifb: Register sysfs groups through driver core
fbdev: Introduce devm_register_framebuffer()
fbdev: omapfb: Use sysfs_emit_at() to simplify code
fbdev: omapfb: panel-sony-acx565akm: Simplify show_cabc_available_modes()
fbdev: mmp: Use devm_clk_get_enabled() helpers
fbdev: hpfb: Fix an error handling path in hpfb_dio_probe()
video: Handle HAS_IOPORT dependencies
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux
Pull iommu updates from Joerg Roedel:
"Core changes:
- Allow ATS on VF when parent device is identity mapped
- Optimize unmap path on ARM io-pagetable implementation
- Use of_property_present()
ARM-SMMU changes:
- SMMUv2:
- Devicetree binding updates for Qualcomm MMU-500 implementations
- Extend workarounds for broken Qualcomm hypervisor to avoid
touching features that are not available (e.g. 16KiB page
support, reserved context banks)
- SMMUv3:
- Support for NVIDIA's custom virtual command queue hardware
- Fix Stage-2 stall configuration and extend tests to cover this
area
- A bunch of driver cleanups, including simplification of the
master rbtree code
- Minor cleanups and fixes across both drivers
Intel VT-d changes:
- Retire si_domain and convert to use static identity domain
- Batched IOTLB/dev-IOTLB invalidation
- Small code refactoring and cleanups
AMD-Vi changes:
- Cleanup and refactoring of io-pagetable code
- Add parameter to limit the used io-pagesizes
- Other cleanups and fixes"
* tag 'iommu-updates-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux: (77 commits)
dt-bindings: arm-smmu: Add compatible for QCS8300 SoC
iommu/amd: Test for PAGING domains before freeing a domain
iommu/amd: Fix argument order in amd_iommu_dev_flush_pasid_all()
iommu/amd: Add kernel parameters to limit V1 page-sizes
iommu/arm-smmu-v3: Reorganize struct arm_smmu_ctx_desc_cfg
iommu/arm-smmu-v3: Add types for each level of the CD table
iommu/arm-smmu-v3: Shrink the cdtab l1_desc array
iommu/arm-smmu-v3: Do not use devm for the cd table allocations
iommu/arm-smmu-v3: Remove strtab_base/cfg
iommu/arm-smmu-v3: Reorganize struct arm_smmu_strtab_cfg
iommu/arm-smmu-v3: Add types for each level of the 2 level stream table
iommu/arm-smmu-v3: Add arm_smmu_strtab_l1/2_idx()
iommu/arm-smmu-qcom: apply num_context_bank fixes for SDM630 / SDM660
iommu/arm-smmu-v3: Use the new rb tree helpers
dt-bindings: arm-smmu: document the support on SA8255p
iommu/tegra241-cmdqv: Do not allocate vcmdq until dma_set_mask_and_coherent
iommu/tegra241-cmdqv: Drop static at local variable
iommu/tegra241-cmdqv: Fix ioremap() error handling in probe()
iommu/amd: Do not set the D bit on AMD v2 table entries
iommu/amd: Correct the reported page sizes from the V1 table
...
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|
git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"New drivers:
- driver for Sophgo SG2042 external hardware monitor
- thermal sensor driver for Surface Aggregator Module
Added support to existing drivers:
- oxp-sensors: Support for multiple new devices.
- nct6775: Added G15CF to ASUS WMI monitoring list
Modernizations:
- driver cleanup and update to use with_info API: ina2xx, lm92,
lm95234, max1619, max1668, and max6697.
API updates:
- removed unused devm_hwmon_device_unregister() API function
Other notable changes
- implement and use generic bus access delay for pmbus drivers
- use with scoped for each OF child loop in several drivers
- module unloading fixes for gsc-hwmon and ntc_thermistor drivers
- converted various drivers to use multi-byte regmap operations
- adt7475: Improved devicetree based configuration
- ltc2947: Move to firmware agnostic API
- ltc2978: Converted devicetree description to yaml
- max16065: Addressed overflows when writing limit attributes
Various other minor cleanups, fixes and improvements"
* tag 'hwmon-for-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (96 commits)
hwmon: Remove devm_hwmon_device_unregister() API function
hwmon: (sch5636) Print unknown ID in error string via %*pE
hwmon: (sht21) Use %*ph to print small buffer
hwmon: (pmbus/mpq7932) Constify struct regulator_desc
hwmon: pmbus: pli12096bc: Add write delay
hwmon: pmbus: zl6100: Use generic code
hwmon: pmbus: ucd9000: Use generic code
hwmon: pmbus: max15301: Use generic code
hwmon: pmbus: Implement generic bus access delay
hwmon: (ina2xx) Use shunt voltage to calculate current
hwmon: (ina2xx) Add support for current limits
hwmon: (ina2xx) Pass register to alert limit write functions
hwmon: (ina2xx) Convert to use with_info hwmon API
hwmon: (ina2xx) Move ina2xx_get_value()
hwmon: (ina2xx) Set alert latch
hwmon: (ina2xx) Consolidate chip initialization code
hwmon: (ina2xx) Fix various overflow issues
hwmon: (ina2xx) Re-initialize chip using regmap functions
hwmon: (ina2xx) Use local regmap pointer if used more than once
hwmon: (ina2xx) Mark regmap_config as const
...
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull hardening updates from Kees Cook:
- lib/string_choices:
- Add str_up_down() helper (Michal Wajdeczko)
- Add str_true_false()/str_false_true() helper (Hongbo Li)
- Introduce several opposite string choice helpers (Hongbo Li)
- lib/string_helpers:
- rework overflow-dependent code (Justin Stitt)
- fortify: refactor test_fortify Makefile to fix some build problems
(Masahiro Yamada)
- string: Check for "nonstring" attribute on strscpy() arguments
- virt: vbox: Replace 1-element arrays with flexible arrays
- media: venus: hfi_cmds: Replace 1-element arrays with flexible arrays
* tag 'hardening-v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
lib/string_choices: Add some comments to make more clear for string choices helpers.
lib/string_choices: Introduce several opposite string choice helpers
lib/string_choices: Add str_true_false()/str_false_true() helper
string: Check for "nonstring" attribute on strscpy() arguments
media: venus: hfi_cmds: struct hfi_session_release_buffer_pkt: Add __counted_by annotation
media: venus: hfi_cmds: struct hfi_session_release_buffer_pkt: Replace 1-element array with flexible array
virt: vbox: struct vmmdev_hgcm_pagelist: Replace 1-element array with flexible array
lib/string_helpers: rework overflow-dependent code
coccinelle: Add rules to find str_down_up() replacements
string_choices: Add wrapper for str_down_up()
coccinelle: Add rules to find str_up_down() replacements
lib/string_choices: Add str_up_down() helper
fortify: use if_changed_dep to record header dependency in *.cmd files
fortify: move test_fortify.sh to lib/test_fortify/
fortify: refactor test_fortify Makefile to fix some build problems
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull execve updates from Kees Cook:
- binfmt_elf: Dump smaller VMAs first in ELF cores (Brian Mak)
- binfmt_elf: mseal address zero (Jeff Xu)
- binfmt_elf, coredump: Log the reason of the failed core dumps (Roman
Kisel)
* tag 'execve-v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
binfmt_elf: mseal address zero
binfmt_elf: Dump smaller VMAs first in ELF cores
binfmt_elf, coredump: Log the reason of the failed core dumps
coredump: Standartize and fix logging
|
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull pstore updates from Kees Cook:
- ramoops: Fix .rst typo (Steven Rostedt)
- pstore: replace spinlock_t by raw_spinlock_t (Wen Yang)
* tag 'pstore-v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
pstore: replace spinlock_t by raw_spinlock_t
pstore/ramoops: Fix typo as there is no "reserver"
|
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm
Pull pmdomain updates from Ulf Hansson:
"pmdomain core:
- Add support for s2idle for CPU PM domains on PREEMPT_RT
- Add device managed version of dev_pm_domain_attach|detach_list()
- Improve layout of the debugfs summary table
pmdomain providers:
- amlogic: Remove obsolete vpu domain driver
- bcm: raspberrypi: Add support for devices used as wakeup-sources
- imx: Fixup clock handling for imx93 at driver remove
- rockchip: Add gating support for RK3576
- rockchip: Add support for RK3576 SoC
- Some OF parsing simplifications
- Some simplifications by using dev_err_probe() and guard()
pmdomain consumers:
- qcom/media/venus: Convert to the device managed APIs for PM domains
cpuidle-psci:
- Add support for s2idle/s2ram for the hierarchical topology on
PREEMPT_RT
- Some OF parsing simplifications"
* tag 'pmdomain-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm: (39 commits)
pmdomain: core: Reduce debug summary table width
pmdomain: core: Move mode_status_str()
pmdomain: core: Fix "managed by" alignment in debug summary
pmdomain: core: Harden inter-column space in debug summary
pmdomain: rockchip: Add gating masks for rk3576
pmdomain: rockchip: Add gating support
pmdomain: rockchip: Simplify dropping OF node reference
pmdomain: mediatek: make use of dev_err_cast_probe()
pmdomain: imx93-pd: drop the context variable "init_off"
pmdomain: imx93-pd: don't unprepare clocks on driver remove
pmdomain: imx93-pd: replace dev_err() with dev_err_probe()
pmdomain: qcom: rpmpd: Simplify locking with guard()
pmdomain: qcom: rpmhpd: Simplify locking with guard()
pmdomain: qcom: cpr: Simplify locking with guard()
pmdomain: qcom: cpr: Simplify with dev_err_probe()
pmdomain: imx: gpcv2: Simplify with scoped for each OF child loop
pmdomain: imx: gpc: Simplify with scoped for each OF child loop
pmdomain: rockchip: SimplUlf Hanssonify locking with guard()
pmdomain: rockchip: Simplify with scoped for each OF child loop
pmdomain: qcom-cpr: Use scope based of_node_put() to simplify code.
...
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|
git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
"Core GPIOLIB:
- provide and add users for a macro allowing to iterate over accepted
GPIO property names of consumer device nodes
- remove legacy definitions that are no longer used
- put legacy GPIO devres helpers together with the rest of the
deprecated code
- implement and use swnode_gpio_get_reference(): a wrapper
simplifying the underlying calls to
fwnode_property_get_reference_args()
- use IS_ERR_OR_NULL() where it makes sense
- replace of_find_property() with of_property_present()
- simplify code with the scoped variant of OF-node children iterator
Documentation:
- update GPIO kerneldocs with Return sections
- fix "Excess struct member description" warnings now being triggered
with W=1
New drivers:
- add support for Analog Devices ADP5585
Driver improvements:
- add support for wake-on-GPIO to gpio-mpc8xxx
- use GPIO_LOOKUP_IDX() in gpio-virtuser
- use devm_clk_get_[optional_]enabled() where applicable in several
drivers
- replace OF-specific functions with provider-agnostic alternatives
where possible
- drop support for legacy platform data from gpio-ath79 and
gpio-davinci
- refactor gpio-stmpe
- improve error reporting in gpio-pca953x
- add support for reading the direction of pins for some models to
gpio-vf610
DT bindings:
- convert the bindings for nxp,lpc3220 to YAML
- add gpio-reserved-ranges to gpio-davinci
- simplify the GPIO hog schema
- fix a GPIO hog issue in bindings for fcs,fxl6408
Other:
- fix format specifiers in user-space tools
- remove leftover files on make clean in tools/gpio/"
* tag 'gpio-updates-for-v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (54 commits)
gpio: mpc8xxx: switch to using DEFINE_RUNTIME_DEV_PM_OPS()
gpio: xilinx: Use helper function devm_clk_get_optional_enabled()
gpio: mb86s7x: Use helper function devm_clk_get_optional_enabled()
gpio: lpc18xx: Use helper function devm_clk_get_enabled()
gpio: cadence: Use helper function devm_clk_get_enabled()
gpio: sama5d2-piobu: convert comma to semicolon
gpio: mpc8xxx: order headers alphabetically
gpio: davinci: use devm_clk_get_enabled()
gpio: davinci: drop platform data support
gpio: stmpe: Sort headers
gpio: stmpe: Make use of device properties
gpio: stmpe: Utilise temporary variable for struct device
gpio: stmpe: Remove unused 'dev' member of struct stmpe_gpio
gpio: stmpe: Fix IRQ related error messages
gpio: pch: kerneldoc fixes for excess members
gpio: zynq: Simplify using devm_clk_get_enabled()
gpio: mpc8xxx: Add wake on GPIO support
gpio: syscon: fix excess struct member build warning
gpio: stp-xway: Simplify using devm_clk_get_enabled()
gpiolib: legacy: Consolidate devm_gpio_*() with other legacy APIs
...
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git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux
Pull pwm updates from Uwe Kleine-König:
"This contains some cleanups to the core and some mostly minor updates
to a bunch of drivers and device tree bindings. One thing worth
pointing out is that it contains an immutable branch containing
support for a new mfd chip (Analog Devices ADP5585) with several sub
drivers.
Thanks go to Andrew Kreimer, Clark Wang, Conor Dooley, David Lechner,
Dmitry Rokosov, Frank Li, Geert Uytterhoeven, George Stark, Jiapeng
Chong, Krzysztof Kozlowski, Laurent Pinchart, Liao Chen, Liu Ying, Rob
Herring and Wolfram Sang for code contributions and reviews and to Lee
Jones for preparing the above mentioned immutable branch"
* tag 'pwm/for-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux: (21 commits)
pwm: stm32: Fix a typo
dt-bindings: pwm: amlogic: Add new bindings for meson A1 PWM
dt-bindings: pwm: amlogic: Add optional power-domains
pwm: Switch back to struct platform_driver::remove()
dt-bindings: pwm: allwinner,sun4i-a10-pwm: add top-level constraints
pwm: axi-pwmgen: use shared macro for version reg
pwm: atmel-hlcdc: Drop trailing comma
pwm: atmel-hlcdc: Enable module autoloading
pwm: omap-dmtimer: Use of_property_read_bool()
pwm: adp5585: Set OSC_EN bit to 1 when PWM state is enabled
pwm: lp3943: Fix an incorrect type in lp3943_pwm_parse_dt()
pwm: Simplify pwm_capture()
pwm: lp3943: Use of_property_count_u32_elems() to get property length
pwm: Don't export pwm_capture()
pwm: Make info in traces about affected pwm more useful
dt-bindings: pwm: renesas,tpu: Add r8a779h0 support
dt-bindings: pwm: renesas,pwm-rcar: Add r8a779h0 support
pwm: adp5585: Add Analog Devices ADP5585 support
gpio: adp5585: Add Analog Devices ADP5585 support
mfd: adp5585: Add Analog Devices ADP5585 core support
...
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Pull MMC updates from Ulf Hansson:
"MMC core:
- Add documentation for the mmc-test driver
- Register the eMMC RPMB partition with the RPMB subsystem
- Some various cleanups
MMC host:
- dw_mmc-rockchip: Add support for the RK3576 variant
- renesas_sdhi: Add support for the RZ/V2H(P) variant
- sdhci_am654: Add a retry mechanism for tuning
- sdhci-atmel: Convert DT bindings to json schema
- sdhci-of-dwcmshc:
- Add eMMC HW reset support for BlueField-3 SoC
- Add support for the RK3576 variant
- Add support for the Sophgo SG2042 variant
- sdhci-of-ma35d1: Add new driver for the Nuvoton MA35D1 SDHCI
Misc/Tee:
- Add Replay Protected Memory Block (RPMB) subsystem
- Let optee probe RPMB device using RPMB subsystem"
* tag 'mmc-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (41 commits)
mmc: core: Use dev_err_probe for deferred regulators
optee: Fix a NULL vs IS_ERR() check
mmc: sdhci_am654: Add prints to tuning algorithm
mmc: sdhci_am654: Add retry tuning
dt-bindings: mmc: Add support for rk3576 eMMC
Documentation: mmc: Add mmc-test doc
rpmb: fix error path in rpmb_dev_register()
optee: add RPMB dependency
mmc: block: add RPMB dependency
mmc: core Convert UNSTUFF_BITS macro to inline function
dt-bindings: mmc: sdhci-atmel: Convert to json schema
mmc: core: Convert simple_stroul to kstroul
mmc: core: Calculate size from pointer
mmc: cqhci: Make use of cqhci_halted() routine
mmc: core: Replace the argument of mmc_sd_switch() with defines
mmc: dw_mmc-rockchip: Add support for rk3576 SoCs
mmc: dw_mmc-rockchip: Add internal phase support
dt-bindings: mmc: Add support for rk3576 dw-mshc
mmc: sdhci-of-dwcmshc: Add hw_reset() support for BlueField-3 SoC
mmc: core: remove left-over data structure declarations
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD updates from Miquel Raynal:
"MTD changes:
- No particularly important patchset this cycle, but we have a few
usual improvements: like using a better/more recent helper or
checking a return value.
Raw NAND changes:
- The use of for_each_child_of_node_scoped() has been spread into the
subsystem drivers
- a couple of exit path have been fixed (mtk, denali)
- TI GPMC bindings have been enhanced to comply with up-to-date
partition descriptions
- a load of small and misc fixes
SPI-NAND changes:
- The most impacting series this cycle is bringing support for
continuous reads in the SPI-NAND subsystem.
This is a feature already merged in the raw NAND subsystem which
allows optimizing the internal fetch times in the chip while
reading sequential pages within an eraseblock.
For now only Macronix NANDs benefit from this feature. While we are
talking about Macronix, some of their chip need an explicit action
for selecting a different plane, and support for it has also been
brought.
- The bitflip threshold has also been set to the same arbitrary level
as in the raw NAND subsystem to optimize wear leveling decisions
- Add upport for a new Winbond chip
SPI NOR changes:
- Add Write Protect support for N25Q064A.
- New flash support for Zetta ZD25Q128C and Spansion S28HS256T.
- Fix a NULL dereference in probe path for flashes without a name.
The probe path tries to access the name without checking its
existence first. S28HS256T is the first flash to define its entry
without a name, uncovering this issue"
* tag 'mtd/for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (41 commits)
mtd: spi-nor: fix flash probing
mtd: spi-nor: spansion: Add support for S28HS256T
mtd: spi-nor: winbond: add Zetta ZD25Q128C support
mtd: spi-nor: micron-st: Add n25q064a WP support
mtd: spi-nor: sst: Factor out common write operation to `sst_nor_write_data()`
mtd: spinand: macronix: Flag parts needing explicit plane select
mtd: spinand: Add support for setting plane select bits
dt-bindings: mtd: ti, gpmc-nand: support partitions node
mtd: rawnand: mtk: Fix init error path
mtd: powernv: Add check devm_kasprintf() returned value
mtd: rawnand: mtk: Factorize out the logic cleaning mtk chips
mtd: rawnand: atmel: Add message on DMA usage
mtd: rawnand: meson: Fix typo in function name
mtd: spi-nand: macronix: Continuous read support
mtd: spi-nand: macronix: Add a possible bitflip status flag
mtd: spi-nand: macronix: Extract the bitflip retrieval logic
mtd: spi-nand: macronix: Fix helper name
mtd: spi-nand: Expose spinand_write_reg_op()
mtd: spi-nand: Add continuous read support
mtd: spi-nand: Isolate the MTD read logic in a helper
...
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git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
"Power-supply core:
- introduce power_supply_show_enum_with_available() helper
- change usb_types from an array into a bitmask
- fix early usage of power_supply_property_is_writeable() resulting
in sysfs files not being writable
- fix missing temp1_max_alarm attribute in power-supply's hwmon
devices
Drivers:
- max1720x: expose nvmem device
- brcmstb: cleanup driver to use latest APIs
- max77693: expose input and charging current limit
- max17042_battery: fix state of charge reading for devices without
current sensing
- axp20x_battery: add AXP717 support
- axp20x_battery: fix min/max voltage properties
- axp20x_usb_power: add AXP717 support
- axp20x_usb_power: add DT based input current limit
Documentation updates
Misc minor cleanups and fixes"
* tag 'for-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (38 commits)
power: supply: hwmon: Fix missing temp1_max_alarm attribute
power: supply: Drop use_cnt check from power_supply_property_is_writeable()
power: supply: ab8500: Constify struct kobj_type
power: supply: max1720x: fix a double free on error in probe()
power: supply: axp20x_battery: add support for AXP717
power: supply: axp20x_usb_power: Add support for AXP717
dt-bindings: power: supply: axp20x: Add AXP717 compatible
dt-bindings: power: supply: axp20x: Add AXP717 compatible
power: supply: axp20x_usb_power: Fix spelling mistake "reqested" -> "requested"
power: supply: Change usb_types from an array into a bitmask
power: supply: sysfs: Move power_supply_show_enum_with_available() up
power: supply: sysfs: Add power_supply_show_enum_with_available() helper
power: supply: rt9467-charger: Remove "usb_type" property write support
power: supply: ucs1002: Adjust ucs1002_set_usb_type() to accept string values
power: supply: "usb_type" property may be written to
power: supply: max1720x: add read support for nvmem
mfd: axp20x: Add ADC, BAT, and USB cells for AXP717
power: supply: core: constify psy_tzd_ops
power: reset: brcmstb: Do not go into infinite loop if reset fails
power: reset: brcmstb: Use devm_register_sys_off_handler()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab
Pull slab updates from Vlastimil Babka:
"This time it's mostly refactoring and improving APIs for slab users in
the kernel, along with some debugging improvements.
- kmem_cache_create() refactoring (Christian Brauner)
Over the years have been growing new parameters to
kmem_cache_create() where most of them are needed only for a small
number of caches - most recently the rcu_freeptr_offset parameter.
To avoid adding new parameters to kmem_cache_create() and adjusting
all its callers, or creating new wrappers such as
kmem_cache_create_rcu(), we can now pass extra parameters using the
new struct kmem_cache_args. Not explicitly initialized fields
default to values interpreted as unused.
kmem_cache_create() is for now a wrapper that works both with the
new form: kmem_cache_create(name, object_size, args, flags) and the
legacy form: kmem_cache_create(name, object_size, align, flags,
ctor)
- kmem_cache_destroy() waits for kfree_rcu()'s in flight (Vlastimil
Babka, Uladislau Rezki)
Since SLOB removal, kfree() is allowed for freeing objects
allocated by kmem_cache_create(). By extension kfree_rcu() as
allowed as well, which can allow converting simple call_rcu()
callbacks that only do kmem_cache_free(), as there was never a
kmem_cache_free_rcu() variant. However, for caches that can be
destroyed e.g. on module removal, the cache owners knew to issue
rcu_barrier() first to wait for the pending call_rcu()'s, and this
is not sufficient for pending kfree_rcu()'s due to its internal
batching optimizations. Ulad has provided a new
kvfree_rcu_barrier() and to make the usage less error-prone,
kmem_cache_destroy() calls it. Additionally, destroying
SLAB_TYPESAFE_BY_RCU caches now again issues rcu_barrier()
synchronously instead of using an async work, because the past
motivation for async work no longer applies. Users of custom
call_rcu() callbacks should however keep calling rcu_barrier()
before cache destruction.
- Debugging use-after-free in SLAB_TYPESAFE_BY_RCU caches (Jann Horn)
Currently, KASAN cannot catch UAFs in such caches as it is legal to
access them within a grace period, and we only track the grace
period when trying to free the underlying slab page. The new
CONFIG_SLUB_RCU_DEBUG option changes the freeing of individual
object to be RCU-delayed, after which KASAN can poison them.
- Delayed memcg charging (Shakeel Butt)
In some cases, the memcg is uknown at allocation time, such as
receiving network packets in softirq context. With
kmem_cache_charge() these may be now charged later when the user
and its memcg is known.
- Misc fixes and improvements (Pedro Falcato, Axel Rasmussen,
Christoph Lameter, Yan Zhen, Peng Fan, Xavier)"
* tag 'slab-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab: (34 commits)
mm, slab: restore kerneldoc for kmem_cache_create()
io_uring: port to struct kmem_cache_args
slab: make __kmem_cache_create() static inline
slab: make kmem_cache_create_usercopy() static inline
slab: remove kmem_cache_create_rcu()
file: port to struct kmem_cache_args
slab: create kmem_cache_create() compatibility layer
slab: port KMEM_CACHE_USERCOPY() to struct kmem_cache_args
slab: port KMEM_CACHE() to struct kmem_cache_args
slab: remove rcu_freeptr_offset from struct kmem_cache
slab: pass struct kmem_cache_args to do_kmem_cache_create()
slab: pull kmem_cache_open() into do_kmem_cache_create()
slab: pass struct kmem_cache_args to create_cache()
slab: port kmem_cache_create_usercopy() to struct kmem_cache_args
slab: port kmem_cache_create_rcu() to struct kmem_cache_args
slab: port kmem_cache_create() to struct kmem_cache_args
slab: add struct kmem_cache_args
slab: s/__kmem_cache_create/do_kmem_cache_create/g
memcg: add charging of already allocated slab objects
mm/slab: Optimize the code logic in find_mergeable()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rcu/linux
Pull RCU updates from Neeraj Upadhyay:
"Context tracking:
- rename context tracking state related symbols and remove references
to "dynticks" in various context tracking state variables and
related helpers
- force context_tracking_enabled_this_cpu() to be inlined to avoid
leaving a noinstr section
CSD lock:
- enhance CSD-lock diagnostic reports
- add an API to provide an indication of ongoing CSD-lock stall
nocb:
- update and simplify RCU nocb code to handle (de-)offloading of
callbacks only for offline CPUs
- fix RT throttling hrtimer being armed from offline CPU
rcutorture:
- remove redundant rcu_torture_ops get_gp_completed fields
- add SRCU ->same_gp_state and ->get_comp_state functions
- add generic test for NUM_ACTIVE_*RCU_POLL* for testing RCU and SRCU
polled grace periods
- add CFcommon.arch for arch-specific Kconfig options
- print number of update types in rcu_torture_write_types()
- add rcutree.nohz_full_patience_delay testing to the TREE07 scenario
- add a stall_cpu_repeat module parameter to test repeated CPU stalls
- add argument to limit number of CPUs a guest OS can use in
torture.sh
rcustall:
- abbreviate RCU CPU stall warnings during CSD-lock stalls
- Allow dump_cpu_task() to be called without disabling preemption
- defer printing stall-warning backtrace when holding rcu_node lock
srcu:
- make SRCU gp seq wrap-around faster
- add KCSAN checks for concurrent updates to ->srcu_n_exp_nodelay and
->reschedule_count which are used in heuristics governing
auto-expediting of normal SRCU grace periods and
grace-period-state-machine delays
- mark idle SRCU-barrier callbacks to help identify stuck
SRCU-barrier callback
rcu tasks:
- remove RCU Tasks Rude asynchronous APIs as they are no longer used
- stop testing RCU Tasks Rude asynchronous APIs
- fix access to non-existent percpu regions
- check processor-ID assumptions during chosen CPU calculation for
callback enqueuing
- update description of rtp->tasks_gp_seq grace-period sequence
number
- add rcu_barrier_cb_is_done() to identify whether a given
rcu_barrier callback is stuck
- mark idle Tasks-RCU-barrier callbacks
- add *torture_stats_print() functions to print detailed diagnostics
for Tasks-RCU variants
- capture start time of rcu_barrier_tasks*() operation to help
distinguish a hung barrier operation from a long series of barrier
operations
refscale:
- add a TINY scenario to support tests of Tiny RCU and Tiny
SRCU
- optimize process_durations() operation
rcuscale:
- dump stacks of stalled rcu_scale_writer() instances and
grace-period statistics when rcu_scale_writer() stalls
- mark idle RCU-barrier callbacks to identify stuck RCU-barrier
callbacks
- print detailed grace-period and barrier diagnostics on
rcu_scale_writer() hangs for Tasks-RCU variants
- warn if async module parameter is specified for RCU implementations
that do not have async primitives such as RCU Tasks Rude
- make all writer tasks report upon hang
- tolerate repeated GFP_KERNEL failure in rcu_scale_writer()
- use special allocator for rcu_scale_writer()
- NULL out top-level pointers to heap memory to avoid double-free
bugs on modprobe failures
- maintain per-task instead of per-CPU callbacks count to avoid any
issues with migration of either tasks or callbacks
- constify struct ref_scale_ops
Fixes:
- use system_unbound_wq for kfree_rcu work to avoid disturbing
isolated CPUs
Misc:
- warn on unexpected rcu_state.srs_done_tail state
- better define "atomic" for list_replace_rcu() and
hlist_replace_rcu() routines
- annotate struct kvfree_rcu_bulk_data with __counted_by()"
* tag 'rcu.release.v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/rcu/linux: (90 commits)
rcu: Defer printing stall-warning backtrace when holding rcu_node lock
rcu/nocb: Remove superfluous memory barrier after bypass enqueue
rcu/nocb: Conditionally wake up rcuo if not already waiting on GP
rcu/nocb: Fix RT throttling hrtimer armed from offline CPU
rcu/nocb: Simplify (de-)offloading state machine
context_tracking: Tag context_tracking_enabled_this_cpu() __always_inline
context_tracking, rcu: Rename rcu_dyntick trace event into rcu_watching
rcu: Update stray documentation references to rcu_dynticks_eqs_{enter, exit}()
rcu: Rename rcu_momentary_dyntick_idle() into rcu_momentary_eqs()
rcu: Rename rcu_implicit_dynticks_qs() into rcu_watching_snap_recheck()
rcu: Rename dyntick_save_progress_counter() into rcu_watching_snap_save()
rcu: Rename struct rcu_data .exp_dynticks_snap into .exp_watching_snap
rcu: Rename struct rcu_data .dynticks_snap into .watching_snap
rcu: Rename rcu_dynticks_zero_in_eqs() into rcu_watching_zero_in_eqs()
rcu: Rename rcu_dynticks_in_eqs_since() into rcu_watching_snap_stopped_since()
rcu: Rename rcu_dynticks_in_eqs() into rcu_watching_snap_in_eqs()
rcu: Rename rcu_dynticks_eqs_online() into rcu_watching_online()
context_tracking, rcu: Rename rcu_dynticks_curr_cpu_in_eqs() into rcu_is_watching_curr_cpu()
context_tracking, rcu: Rename rcu_dynticks_task*() into rcu_task*()
refscale: Constify struct ref_scale_ops
...
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Pull workqueue updates from Tejun Heo:
"Nothing major:
- workqueue.panic_on_stall boot param added
- alloc_workqueue_lockdep_map() added (used by DRM)
- Other cleanusp and doc updates"
* tag 'wq-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
kernel/workqueue.c: fix DEFINE_PER_CPU_SHARED_ALIGNED expansion
workqueue: Fix another htmldocs build warning
workqueue: fix null-ptr-deref on __alloc_workqueue() error
workqueue: Don't call va_start / va_end twice
workqueue: Fix htmldocs build warning
workqueue: Add interface for user-defined workqueue lockdep map
workqueue: Change workqueue lockdep map to pointer
workqueue: Split alloc_workqueue into internal function and lockdep init
Documentation: kernel-parameters: add workqueue.panic_on_stall
workqueue: add cmdline parameter workqueue.panic_on_stall
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo:
- cpuset isolation improvements
- cpuset cgroup1 support is split into its own file behind the new
config option CONFIG_CPUSET_V1. This makes it the second controller
which makes cgroup1 support optional after memcg
- Handling of unavailable v1 controller handling improved during
cgroup1 mount operations
- union_find applied to cpuset. It makes code simpler and more
efficient
- Reduce spurious events in pids.events
- Cleanups and other misc changes
- Contains a merge of cgroup/for-6.11-fixes to receive cpuset fixes
that further changes build upon
* tag 'cgroup-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: (34 commits)
cgroup: Do not report unavailable v1 controllers in /proc/cgroups
cgroup: Disallow mounting v1 hierarchies without controller implementation
cgroup/cpuset: Expose cpuset filesystem with cpuset v1 only
cgroup/cpuset: Move cpu.h include to cpuset-internal.h
cgroup/cpuset: add sefltest for cpuset v1
cgroup/cpuset: guard cpuset-v1 code under CONFIG_CPUSETS_V1
cgroup/cpuset: rename functions shared between v1 and v2
cgroup/cpuset: move v1 interfaces to cpuset-v1.c
cgroup/cpuset: move validate_change_legacy to cpuset-v1.c
cgroup/cpuset: move legacy hotplug update to cpuset-v1.c
cgroup/cpuset: add callback_lock helper
cgroup/cpuset: move memory_spread to cpuset-v1.c
cgroup/cpuset: move relax_domain_level to cpuset-v1.c
cgroup/cpuset: move memory_pressure to cpuset-v1.c
cgroup/cpuset: move common code to cpuset-internal.h
cgroup/cpuset: introduce cpuset-v1.c
selftest/cgroup: Make test_cpuset_prs.sh deal with pre-isolated CPUs
cgroup/cpuset: Account for boot time isolated CPUs
cgroup/cpuset: remove use_parent_ecpus of cpuset
cgroup/cpuset: remove fetch_xcpus
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"A fairly big update at this time, both in core and driver sides.
The core received rewrites in PCM buffer allocation handling and
locking optimizations, PCM rate updates followed by lots of cleanups.
In ASoC side, the legacy Intel drivers have been deprecated by AVS
drivers which leaded to the significant amount of code reduction.
SoundWire driver updates and other cleanups contributed more code
reduction, too.
USB-audio driver received a large cleanup of its big quirk table, and
the old snd_print*() API usages in many legacy drivers are replaced
with the standard print API.
Here are some highlights:
Core:
- More optimized locking in ALSA control code
- Rewrites of memalloc helpers for better DMA API usage
- Drop of obsoleted vmalloc PCM buffer helper API
- Continued MIDI2 UMP updates
- Support of a new user-space driven timer instance
- Update for more PCM support rates and cleanups
- Xrun counter report in the proc files
ASoC:
- Continued simplification and cleanup works for ASoC
- Extensive cleanups and refactoring of the Soundwire drivers
- Removal of Intel machine support obsoleted by the AVS driver
- Lots of DT schema conversions
- Machine support for many AMD and Intel x86 platforms
- Support for AMD ACP 7.1, Mediatek MT6367 and MT8365, Realtek
RTL1320 SoundWire and rev C, and Texas Instruments TAS2563
USB-audio:
- Add support of multiple control interfaces
- A large rewrite of quirk table with macros
- Support for RME Digiface USB
HD-audio:
- Cleanup of quirk code for Samsung Galaxy laptops
- Clean up of detection of Cirrus codecs
- C-Media CM9825 HD-audio codec support
Others:
- Rewrites to standard print API in a lot of legacy drivers"
* tag 'sound-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (410 commits)
ASoC: topology: Fix redundant logical jump
ASoC: tas2781: Add Calibration Kcontrols for Chromebook
ASoC: amd: acp: refactor SoundWire machine driver code
ASoC: sdw_utils/intel: move soundwire endpoint parsing helper functions
ASoC: sdw_util/intel: move soundwire endpoint and dai link structures
ASoC: intel: sof_sdw: rename soundwire parsing helper functions
ASoC: intel: sof_sdw: rename soundwire endpoint and dailink structures
ASoC: atmel: mchp-pdmc: Retain Non-Runtime Controls
ALSA: hda/realtek: Add support for Galaxy Book2 Pro (NP950XEE)
ASoC: mediatek: mt7986-afe-pcm: Remove redundant error message
ALSA: memalloc: Use proper DMA mapping API for x86 S/G buffer allocations
ALSA: memalloc: Use proper DMA mapping API for x86 WC buffer allocations
ALSA: usb-audio: Add logitech Audio profile quirk
ASoc: mediatek: mt8365: Remove unneeded assignment
ASoC: Intel: ARL: Add entry for HDMI-In capture support to non-I2S codec boards.
ASoC: Intel: sof_rt5682: Add HDMI-In capture with rt5682 support for ARL.
ASoC: SOF: Intel: hda: remove common_hdmi_codec_drv
ASoC: Intel: sof_pcm512x: do not check common_hdmi_codec_drv
ASoC: Intel: ehl_rt5660: do not check common_hdmi_codec_drv
ASoC: Intel: skl_hda_dsp_generic: use common module for DAI links
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 timer updates from Thomas Gleixner:
- Use the topology information of number of packages for making the
decision about TSC trust instead of using the number of online nodes
which is not reflecting the real topology.
- Stop the PIT timer 0 when its not in use as to stop pointless
emulation in the VMM.
- Fix the PIT timer stop sequence for timer 0 so it truly stops both
real hardware and buggy VMM emulations.
* tag 'x86-timers-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/tsc: Check for sockets instead of CPUs to make code match comment
clockevents/drivers/i8253: Fix stop sequence for timer 0
x86/i8253: Disable PIT timer 0 when not in use
x86/tsc: Use topology_max_packages() to get package number
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 updates from Thomas Gleixner:
- Rework kcpuid to handle the the autogenerated CSV file correctly and
update the CSV file to cover the whole zoo of CPUID.
- Avoid memcpy() for ia32 syscall_get_arguments() and use direct
assignments as fortified memcpy() is unhappy about writing/reading
beyond the end of the addresses destination/source struct member
- A few new PCI IDs for AMD
- Update MAINTAINERS to cover x86 specific selftests
* tag 'x86-misc-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
MAINTAINERS: Add selftests/x86 entry
x86/amd_nb: Add new PCI IDs for AMD family 1Ah model 60h-70h
x86/syscall: Avoid memcpy() for ia32 syscall_get_arguments()
MAINTAINERS: Add x86 cpuid database entry
tools/x86/kcpuid: Introduce a complete cpuid bitfields CSV file
tools/x86/kcpuid: Parse subleaf ranges if provided
tools/x86/kcpuid: Recognize all leaves with subleaves
tools/x86/kcpuid: Strip bitfield names leading/trailing whitespace
tools/x86/kcpuid: Protect against faulty "max subleaf" values
tools/x86/kcpuid: Set max possible subleaves count to 64
tools/x86/kcpuid: Properly align long-description columns
tools/x86/kcpuid: Remove unused variable
x86/amd_nb: Add new PCI IDs for AMD family 1Ah model 60h
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 memory management updates from Thomas Gleixner:
- Make LAM enablement safe vs. kernel threads using a process mm
temporarily as switching back to the process would not update CR3 and
therefore not enable LAM causing faults in user space when using
tagged pointers. Cure it by synchronizing LAM enablement via IPIs to
all CPUs which use the related mm.
- Cure a LAM harmless inconsistency between CR3 and the state during
context switch. It's both confusing and prone to lead to real bugs
- Handle alt stack handling for threads which run with a non-zero
protection key. The non-zero key prevents the kernel to access the
alternate stack. Cure it by temporarily enabling all protection keys
for the alternate stack setup/restore operations.
- Provide a EFI config table identity mapping for kexec kernel to
prevent kexec fails because the new kernel cannot access the config
table array
- Use GB pages only when a full GB is mapped in the identity map as
otherwise the CPU can speculate into reserved areas after the end of
memory which causes malfunction on UV systems.
- Remove the noisy and pointless SRAT table dump during boot
- Use is_ioremap_addr() for iounmap() address range checks instead of
high_memory. is_ioremap_addr() is more precise.
* tag 'x86-mm-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/ioremap: Improve iounmap() address range checks
x86/mm: Remove duplicate check from build_cr3()
x86/mm: Remove unused NX related declarations
x86/mm: Remove unused CR3_HW_ASID_BITS
x86/mm: Don't print out SRAT table information
x86/mm/ident_map: Use gbpages only where full GB page should be mapped.
x86/kexec: Add EFI config table identity mapping for kexec kernel
selftests/mm: Add new testcases for pkeys
x86/pkeys: Restore altstack access in sigreturn()
x86/pkeys: Update PKRU to enable all pkeys before XSAVE
x86/pkeys: Add helper functions to update PKRU on the sigframe
x86/pkeys: Add PKRU as a parameter in signal handling functions
x86/mm: Cleanup prctl_enable_tagged_addr() nr_bits error checking
x86/mm: Fix LAM inconsistency during context switch
x86/mm: Use IPIs to synchronize LAM enablement
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 core update from Thomas Gleixner:
"Enable UBSAN traps for x86, which provides better reporting through
metadata encodeded into UD1"
* tag 'x86-core-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/traps: Enable UBSAN traps on x86
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC driver updates from Arnd Bergmann:
"The driver updates seem larger this time around, with changes is many
of the SoC specific drivers, both the custom drivers/soc ones and the
closely related subsystems (memory, bus, firmware, reset, ...).
The at91 platform gains support for sam9x7 chips in the soc and power
management code. This is the latest variant of one of the oldest still
supported SoC families, using the ARM9 (ARMv5) core.
As usual, the qualcomm snapdragon platform gets a ton of updates in
many of their drivers to add more features and additional SoC support.
Most of these are somewhat firmware related as the platform has a
number of firmware based interfaces to the kernel. A notable addition
here is the inclusion of trace events to two of these drivers.
Herve Codina and Christophe Leroy are now sending updates for
drivers/soc/fsl/ code through the SoC tree, this contains both PowerPC
and Arm specific platforms and has previously been problematic to
maintain. The first update here contains support for newer PowerPC
variants and some cleanups.
The turris mox firmware driver has a number of updates, mostly
cleanups.
The Arm SCMI firmware driver gets a major rework to modularize the
existing code into separately loadable drivers for the various
transports, the addition of custom NXP i.MX9 interfaces and a number
of smaller updates.
The Arm FF-A firmware driver gets a feature update to support the v1.2
version of the specification.
The reset controller drivers have some smaller cleanups and a newly
added driver for the Intel/Mobileye EyeQ5/EyeQ6 MIPS SoCs.
The memory controller drivers get some cleanups and refactoring for
Tegra, TI, Freescale/NXP and a couple more platforms.
Finally there are lots of minor updates to firmware (raspberry pi,
tegra, imx), bus (sunxi, omap, tegra) and soc (rockchips, tegra,
amlogic, mediatek) drivers and their DT bindings"
* tag 'soc-drivers-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (212 commits)
firmware: imx: remove duplicate scmi_imx_misc_ctrl_get()
platform: cznic: turris-omnia-mcu: Fix error check in omnia_mcu_register_trng()
bus: sunxi-rsb: Simplify code with dev_err_probe()
soc: fsl: qe: ucc: Export ucc_mux_set_grant_tsa_bkpt
soc: fsl: cpm1: qmc: Fix dependency on fsl_soc.h
dt-bindings: arm: rockchip: Add rk3576 compatible string to pmu.yaml
soc: fsl: qbman: Remove redundant warnings
soc: fsl: qbman: Use iommu_paging_domain_alloc()
MAINTAINERS: Add QE files related to the Freescale QMC controller
soc: fsl: cpm1: qmc: Handle QUICC Engine (QE) soft-qmc firmware
soc: fsl: cpm1: qmc: Add support for QUICC Engine (QE) implementation
soc: fsl: qe: Add missing PUSHSCHED command
soc: fsl: qe: Add resource-managed muram allocators
soc: fsl: cpm1: qmc: Introduce qmc_version
soc: fsl: cpm1: qmc: Rename SCC_GSMRL_MODE_QMC
soc: fsl: cpm1: qmc: Handle RPACK initialization
soc: fsl: cpm1: qmc: Rename qmc_chan_command()
soc: fsl: cpm1: qmc: Introduce qmc_{init,exit}_xcc() and their CPM1 version
soc: fsl: cpm1: qmc: Introduce qmc_init_resource() and its CPM1 version
soc: fsl: cpm1: qmc: Re-order probe() operations
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"This is quite a quiet release for SPI. The one new core feature here
is support for configuring the state of the MOSI pin when the bus is
idle, there are some devices which are very fragile in this regard
even when the chip select signal is not asserted. Otherwise we have
some new driver support, a bunch of small fixes and some general
cleanup work.
- Support for configuring the state of the MOSI pin when the the bus
is idle
- Add the Elgin JG0309-01 in spidev
- Support for Marvell xSPI, Mediatek MTK7981, Microchip PIC64GX, NXP
i.MX8ULP, and Rockchip RK3576 controllers
I also accidentally pulled in an IIO DT bindings update due to a typo
when applying the MOSI idle state patches"
* tag 'spi-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (65 commits)
spi: geni-qcom: Use devm functions to simplify code
spi: remove spi_controller_is_slave() and spi_slave_abort()
platform/olpc: olpc-xo175-ec: switch to use spi_target_abort().
spi: slave-mt27xx: switch to use target_abort
spi: spidev: switch to use spi_target_abort()
spi: slave-system-control: switch to use spi_target_abort()
spi: slave-time: switch to use spi_target_abort()
spi: switch to use spi_controller_is_target()
spi: fspi: add support for imx8ulp
spi: fspi: involve lut_num for struct nxp_fspi_devtype_data
dt-bindings: spi: nxp-fspi: add imx8ulp support
spi: spidev_fdx: Fix the wrong format specifier
spi: mxs: Switch to RUNTIME/SYSTEM_SLEEP_PM_OPS()
spi: dt-bindings: Add rockchip,rk3576-spi compatible
spi: Revert "spi: Insert the missing pci_dev_put()before return"
spi: zynq-qspi: Replace kzalloc with kmalloc for buffer allocation
spi: ppc4xx: Sort headers
spi: ppc4xx: Revert "handle irq_of_parse_and_map() errors"
spi: zynqmp-gqspi: Simplify with dev_err_probe()
spi: zynqmp-gqspi: Use devm_spi_alloc_host()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"This release is almost all cleanup work of various kinds, while the
diffstat for the core is quite large this is almost all cleanups and
documentation improvments with some small fixes rather than any new
feature work. We do have support for a couple of new devices but these
are small additions to existing drivers rather than new drivers.
- Removal of the SM5703 driver which does not have it's dependencies
available.
- Support for Allwinner AXP717, and Qualcomm WCN6855.
The Allwinner support shares some commits with the MFD tree"
* tag 'regulator-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (66 commits)
regulator: sm5703: Remove because it is unused and fails to build
regulator: Split up _regulator_get()
regulator: update some comments ([gs]et_voltage_vsel vs [gs]et_voltage_sel)
regulator: max8973: Use irq_get_trigger_type() helper
regulator: core: fix the broken behavior of regulator_dev_lookup()
regulator: max77650: Use container_of and constify static data
regulator: hi6421v530: Use container_of and constify static data
regulator: hi6421v530: Drop unused 'eco_microamp'
regulator: qcom-refgen: Constify static data
regulator: pfuze100: Constify static data
regulator: pcap: Constify static data
regulator: mtk-dvfsrc: Constify static data
regulator: max77826: Constify static data
regulator: max77826: Drop unused 'rdesc' in 'struct max77826_regulator_info'
regulator: tps65023: Constify static data
regulator: hi6421v600: Constify static data
regulator: hi6421: Constify static data
regulator: da9121: Constify static data
regulator: da9063: Constify static data
regulator: da9055: Constify static data
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"The main update here is Matti's work allowing regmap irqdomains to be
given custom names (allowing multiple interrupt controllers associatd
with a single struct device), this pulls in some commits from Thomas'
tree which it depends on.
Otherwise there's a bit of work on improving handling of regmaps
protected with spinlocks when used with complex cache types, fixing
some valid but harmless lockdep reports seen with some new driver
work"
* tag 'regmap-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: kunit: Add coverage of spinlocked regmaps
regcache: use map->alloc_flags also for allocating cache
regmap: Use locking during kunit tests
regmap: Hold the regmap lock when allocating and freeing the cache
regmap: Allow setting IRQ domain name suffix
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This reverts commit 08e28de1160a712724268fd33d77b32f1bc84d1c.
A malicious application can munmap() its "[uprobes]" vma and in this case
xol_mapping.close == uprobe_clear_state() will free the memory which can
be used by another thread, or the same thread when it hits the uprobe bp
afterwards.
Link: https://lkml.kernel.org/r/20240911131320.GA3448@redhat.com
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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large folios
With large folios swap-in, we might need to uncharge multiple entries all
together, add nr argument in mem_cgroup_swapin_uncharge_swap().
For the existing two users, just pass nr=1.
Link: https://lkml.kernel.org/r/20240908232119.2157-3-21cnbao@gmail.com
Signed-off-by: Barry Song <v-songbaohua@oppo.com>
Acked-by: Chris Li <chrisl@kernel.org>
Reviewed-by: Yosry Ahmed <yosryahmed@google.com>
Cc: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Gao Xiang <xiang@kernel.org>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Kairui Song <kasong@tencent.com>
Cc: Kairui Song <ryncsn@gmail.com>
Cc: Kalesh Singh <kaleshsingh@google.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nhat Pham <nphamcs@gmail.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Yang Shi <shy828301@gmail.com>
Cc: Chuanhua Han <hanchuanhua@oppo.com>
Cc: Kanchana P Sridhar <kanchana.p.sridhar@intel.com>
Cc: Usama Arif <usamaarif642@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Following query shows that architectures that don't provide
asm/set_memory.h don't use set_memory_...() functions.
$ git grep set_memory_ alpha arc csky hexagon loongarch m68k microblaze mips nios2 openrisc parisc sh sparc um xtensa
Following query shows that all core users of set_memory_...()
functions always take returned value into account:
$ git grep -w -e set_memory_ro -e set_memory_rw -e set_memory_x -e set_memory_nx -e set_memory_rox `find . -maxdepth 1 -type d | grep -v arch | grep /`
set_memory_...() functions can fail, leaving the memory attributes
unchanged. Make sure all callers check the returned code.
Link: https://github.com/KSPP/linux/issues/7
Link: https://lkml.kernel.org/r/6a89ffc69666de84721216947c6b6c7dcca39d7d.1725723347.git.christophe.leroy@csgroup.eu
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Kees Cook <kees@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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follow_pte() users have been converted to follow_pfnmap*(). Remove the
API.
Link: https://lkml.kernel.org/r/20240826204353.2228736-17-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Alex Williamson <alex.williamson@redhat.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christian Borntraeger <borntraeger@linux.ibm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Gavin Shan <gshan@redhat.com>
Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Niklas Schnelle <schnelle@linux.ibm.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Introduce a pair of APIs to follow pfn mappings to get entry information.
It's very similar to what follow_pte() does before, but different in that
it recognizes huge pfn mappings.
Link: https://lkml.kernel.org/r/20240826204353.2228736-10-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Alex Williamson <alex.williamson@redhat.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christian Borntraeger <borntraeger@linux.ibm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Gavin Shan <gshan@redhat.com>
Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Niklas Schnelle <schnelle@linux.ibm.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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